Finding the Fourth Proportional to 475,754.68, 713,562.52 and 138,704.76
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Solution
The fourth proportional to 475,754.68, 713,562.52 and 138,704.76 is: 208,036.88
Step by Step Solution
- Step 1: Write the proportion equation
475,754.68 : 713,562.52 = 138,704.76 : x - Step 2: Convert to fraction form
475,754.68/713,562.52 = 138,704.76/x - Step 3: Cross multiply
475,754.68x = 713,562.52 × 138,704.76 - Step 4: Simplify right side
475,754.68x = 98,974,518,081.60 - Step 5: Solve for x
x = 98,974,518,081.60/475,754.68 - Step 6: Final answer
x = 208,036.88
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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.