Finding the Fourth Proportional to 292,124.74, 403,132.41 and 157,988.74
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Solution
The fourth proportional to 292,124.74, 403,132.41 and 157,988.74 is: 218,024.61
Step by Step Solution
- Step 1: Write the proportion equation
292,124.74 : 403,132.41 = 157,988.74 : x - Step 2: Convert to fraction form
292,124.74/403,132.41 = 157,988.74/x - Step 3: Cross multiply
292,124.74x = 403,132.41 × 157,988.74 - Step 4: Simplify right side
292,124.74x = 63,690,381,509.06 - Step 5: Solve for x
x = 63,690,381,509.06/292,124.74 - Step 6: Final answer
x = 218,024.61
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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.