Finding the Fourth Proportional to 357,515.64, 536,272.99 and 91,276.20
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Solution
The fourth proportional to 357,515.64, 536,272.99 and 91,276.20 is: 136,914.18
Step by Step Solution
- Step 1: Write the proportion equation
357,515.64 : 536,272.99 = 91,276.20 : x - Step 2: Convert to fraction form
357,515.64/536,272.99 = 91,276.20/x - Step 3: Cross multiply
357,515.64x = 536,272.99 × 91,276.20 - Step 4: Simplify right side
357,515.64x = 48,948,960,461.65 - Step 5: Solve for x
x = 48,948,960,461.65/357,515.64 - Step 6: Final answer
x = 136,914.18
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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.