Finding the Fourth Proportional to 472,487.04, 652,020.12 and 257,631.12
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Solution
The fourth proportional to 472,487.04, 652,020.12 and 257,631.12 is: 355,524.41
Step by Step Solution
- Step 1: Write the proportion equation
472,487.04 : 652,020.12 = 257,631.12 : x - Step 2: Convert to fraction form
472,487.04/652,020.12 = 257,631.12/x - Step 3: Cross multiply
472,487.04x = 652,020.12 × 257,631.12 - Step 4: Simplify right side
472,487.04x = 167,980,673,778.13 - Step 5: Solve for x
x = 167,980,673,778.13/472,487.04 - Step 6: Final answer
x = 355,524.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.