Finding the Fourth Proportional to 156,802.48, 234,897.52 and 125,278.08
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Solution
The fourth proportional to 156,802.48, 234,897.52 and 125,278.08 is: 187,672.48
Step by Step Solution
- Step 1: Write the proportion equation
156,802.48 : 234,897.52 = 125,278.08 : x - Step 2: Convert to fraction form
156,802.48/234,897.52 = 125,278.08/x - Step 3: Cross multiply
156,802.48x = 234,897.52 × 125,278.08 - Step 4: Simplify right side
156,802.48x = 29,427,510,302.36 - Step 5: Solve for x
x = 29,427,510,302.36/156,802.48 - Step 6: Final answer
x = 187,672.48
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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.