Finding the Fourth Proportional to 351,637.20, 527,470.20 and 102,319.20
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Solution
The fourth proportional to 351,637.20, 527,470.20 and 102,319.20 is: 153,482.99
Step by Step Solution
- Step 1: Write the proportion equation
351,637.20 : 527,470.20 = 102,319.20 : x - Step 2: Convert to fraction form
351,637.20/527,470.20 = 102,319.20/x - Step 3: Cross multiply
351,637.20x = 527,470.20 × 102,319.20 - Step 4: Simplify right side
351,637.20x = 53,970,328,887.84 - Step 5: Solve for x
x = 53,970,328,887.84/351,637.20 - Step 6: Final answer
x = 153,482.99
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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.