Finding the Fourth Proportional to 417,487.59, 626,265.18 and 117,970.65
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Solution
The fourth proportional to 417,487.59, 626,265.18 and 117,970.65 is: 176,965.52
Step by Step Solution
- Step 1: Write the proportion equation
417,487.59 : 626,265.18 = 117,970.65 : x - Step 2: Convert to fraction form
417,487.59/626,265.18 = 117,970.65/x - Step 3: Cross multiply
417,487.59x = 626,265.18 × 117,970.65 - Step 4: Simplify right side
417,487.59x = 73,880,910,356.97 - Step 5: Solve for x
x = 73,880,910,356.97/417,487.59 - Step 6: Final answer
x = 176,965.52
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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.