Finding the Fourth Proportional to 357,479.38, 536,284.99 and 117,606.78
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Solution
The fourth proportional to 357,479.38, 536,284.99 and 117,606.78 is: 176,431.86
Step by Step Solution
- Step 1: Write the proportion equation
357,479.38 : 536,284.99 = 117,606.78 : x - Step 2: Convert to fraction form
357,479.38/536,284.99 = 117,606.78/x - Step 3: Cross multiply
357,479.38x = 536,284.99 × 117,606.78 - Step 4: Simplify right side
357,479.38x = 63,070,750,836.23 - Step 5: Solve for x
x = 63,070,750,836.23/357,479.38 - Step 6: Final answer
x = 176,431.86
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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.