Finding the Fourth Proportional to 532,331.70, 798,497.55 and 266,133.30
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Solution
The fourth proportional to 532,331.70, 798,497.55 and 266,133.30 is: 399,199.95
Step by Step Solution
- Step 1: Write the proportion equation
532,331.70 : 798,497.55 = 266,133.30 : x - Step 2: Convert to fraction form
532,331.70/798,497.55 = 266,133.30/x - Step 3: Cross multiply
532,331.70x = 798,497.55 × 266,133.30 - Step 4: Simplify right side
532,331.70x = 212,506,788,023.42 - Step 5: Solve for x
x = 212,506,788,023.42/532,331.70 - Step 6: Final answer
x = 399,199.95
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.