Finding the Fourth Proportional to 429,502.80, 644,195.36 and 237,731.94
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Solution
The fourth proportional to 429,502.80, 644,195.36 and 237,731.94 is: 356,565.34
Step by Step Solution
- Step 1: Write the proportion equation
429,502.80 : 644,195.36 = 237,731.94 : x - Step 2: Convert to fraction form
429,502.80/644,195.36 = 237,731.94/x - Step 3: Cross multiply
429,502.80x = 644,195.36 × 237,731.94 - Step 4: Simplify right side
429,502.80x = 153,145,813,266.13 - Step 5: Solve for x
x = 153,145,813,266.13/429,502.80 - Step 6: Final answer
x = 356,565.34
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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.