Finding the Fourth Proportional to 175,432.16, 242,123.69 and 115,177.58
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Solution
The fourth proportional to 175,432.16, 242,123.69 and 115,177.58 is: 158,962.99
Step by Step Solution
- Step 1: Write the proportion equation
175,432.16 : 242,123.69 = 115,177.58 : x - Step 2: Convert to fraction form
175,432.16/242,123.69 = 115,177.58/x - Step 3: Cross multiply
175,432.16x = 242,123.69 × 115,177.58 - Step 4: Simplify right side
175,432.16x = 27,887,220,674.87 - Step 5: Solve for x
x = 27,887,220,674.87/175,432.16 - Step 6: Final answer
x = 158,962.99
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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.