Finding the Fourth Proportional to 318,207.13, 477,386.56 and 93,574.90
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Solution
The fourth proportional to 318,207.13, 477,386.56 and 93,574.90 is: 140,384.65
Step by Step Solution
- Step 1: Write the proportion equation
318,207.13 : 477,386.56 = 93,574.90 : x - Step 2: Convert to fraction form
318,207.13/477,386.56 = 93,574.90/x - Step 3: Cross multiply
318,207.13x = 477,386.56 × 93,574.90 - Step 4: Simplify right side
318,207.13x = 44,671,397,641.75 - Step 5: Solve for x
x = 44,671,397,641.75/318,207.13 - Step 6: Final answer
x = 140,384.65
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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.