Finding the Fourth Proportional to 472,294.92, 651,747.94 and 257,430.44
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Solution
The fourth proportional to 472,294.92, 651,747.94 and 257,430.44 is: 355,243.62
Step by Step Solution
- Step 1: Write the proportion equation
472,294.92 : 651,747.94 = 257,430.44 : x - Step 2: Convert to fraction form
472,294.92/651,747.94 = 257,430.44/x - Step 3: Cross multiply
472,294.92x = 651,747.94 × 257,430.44 - Step 4: Simplify right side
472,294.92x = 167,779,758,963.29 - Step 5: Solve for x
x = 167,779,758,963.29/472,294.92 - Step 6: Final answer
x = 355,243.62
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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.