Finding the Fourth Proportional to 435,719.68, 601,281.18 and 242,122.42
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Solution
The fourth proportional to 435,719.68, 601,281.18 and 242,122.42 is: 334,122.28
Step by Step Solution
- Step 1: Write the proportion equation
435,719.68 : 601,281.18 = 242,122.42 : x - Step 2: Convert to fraction form
435,719.68/601,281.18 = 242,122.42/x - Step 3: Cross multiply
435,719.68x = 601,281.18 × 242,122.42 - Step 4: Simplify right side
435,719.68x = 145,583,654,402.06 - Step 5: Solve for x
x = 145,583,654,402.06/435,719.68 - Step 6: Final answer
x = 334,122.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.