Finding the Fourth Proportional to 498,423.80, 747,635.70 and 232,703.30
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Solution
The fourth proportional to 498,423.80, 747,635.70 and 232,703.30 is: 349,054.95
Step by Step Solution
- Step 1: Write the proportion equation
498,423.80 : 747,635.70 = 232,703.30 : x - Step 2: Convert to fraction form
498,423.80/747,635.70 = 232,703.30/x - Step 3: Cross multiply
498,423.80x = 747,635.70 × 232,703.30 - Step 4: Simplify right side
498,423.80x = 173,977,294,587.81 - Step 5: Solve for x
x = 173,977,294,587.81/498,423.80 - Step 6: Final answer
x = 349,054.95
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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.