Finding the Fourth Proportional to 175,573.49, 242,291.13 and 99,108.68
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Solution
The fourth proportional to 175,573.49, 242,291.13 and 99,108.68 is: 136,769.82
Step by Step Solution
- Step 1: Write the proportion equation
175,573.49 : 242,291.13 = 99,108.68 : x - Step 2: Convert to fraction form
175,573.49/242,291.13 = 99,108.68/x - Step 3: Cross multiply
175,573.49x = 242,291.13 × 99,108.68 - Step 4: Simplify right side
175,573.49x = 24,013,154,070.01 - Step 5: Solve for x
x = 24,013,154,070.01/175,573.49 - Step 6: Final answer
x = 136,769.82
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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.