Finding the Fourth Proportional to 357,550.68, 536,319.12 and 144,312.96
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Solution
The fourth proportional to 357,550.68, 536,319.12 and 144,312.96 is: 216,466.66
Step by Step Solution
- Step 1: Write the proportion equation
357,550.68 : 536,319.12 = 144,312.96 : x - Step 2: Convert to fraction form
357,550.68/536,319.12 = 144,312.96/x - Step 3: Cross multiply
357,550.68x = 536,319.12 × 144,312.96 - Step 4: Simplify right side
357,550.68x = 77,397,799,711.80 - Step 5: Solve for x
x = 77,397,799,711.80/357,550.68 - Step 6: Final answer
x = 216,466.66
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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.