Finding the Fourth Proportional to 117,897.17, 176,785.67 and 57,929.63
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Solution
The fourth proportional to 117,897.17, 176,785.67 and 57,929.63 is: 86,864.92
Step by Step Solution
- Step 1: Write the proportion equation
117,897.17 : 176,785.67 = 57,929.63 : x - Step 2: Convert to fraction form
117,897.17/176,785.67 = 57,929.63/x - Step 3: Cross multiply
117,897.17x = 176,785.67 × 57,929.63 - Step 4: Simplify right side
117,897.17x = 10,241,127,713.30 - Step 5: Solve for x
x = 10,241,127,713.30/117,897.17 - Step 6: Final answer
x = 86,864.92
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1.5x scale
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.