Finding the Fourth Proportional to 502,430.10, 753,645.15 and 186,821.70
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Solution
The fourth proportional to 502,430.10, 753,645.15 and 186,821.70 is: 280,232.55
Step by Step Solution
- Step 1: Write the proportion equation
502,430.10 : 753,645.15 = 186,821.70 : x - Step 2: Convert to fraction form
502,430.10/753,645.15 = 186,821.70/x - Step 3: Cross multiply
502,430.10x = 753,645.15 × 186,821.70 - Step 4: Simplify right side
502,430.10x = 140,797,268,119.76 - Step 5: Solve for x
x = 140,797,268,119.76/502,430.10 - Step 6: Final answer
x = 280,232.55
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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.