Finding the Fourth Proportional to 423,024.74, 634,597.42 and 138,737.53
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Solution
The fourth proportional to 423,024.74, 634,597.42 and 138,737.53 is: 208,126.07
Step by Step Solution
- Step 1: Write the proportion equation
423,024.74 : 634,597.42 = 138,737.53 : x - Step 2: Convert to fraction form
423,024.74/634,597.42 = 138,737.53/x - Step 3: Cross multiply
423,024.74x = 634,597.42 × 138,737.53 - Step 4: Simplify right side
423,024.74x = 88,042,478,595.17 - Step 5: Solve for x
x = 88,042,478,595.17/423,024.74 - Step 6: Final answer
x = 208,126.07
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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.