Finding the Fourth Proportional to 397,243.13, 596,132.60 and 147,925.13
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Solution
The fourth proportional to 397,243.13, 596,132.60 and 147,925.13 is: 221,987.46
Step by Step Solution
- Step 1: Write the proportion equation
397,243.13 : 596,132.60 = 147,925.13 : x - Step 2: Convert to fraction form
397,243.13/596,132.60 = 147,925.13/x - Step 3: Cross multiply
397,243.13x = 596,132.60 × 147,925.13 - Step 4: Simplify right side
397,243.13x = 88,182,992,352.24 - Step 5: Solve for x
x = 88,182,992,352.24/397,243.13 - Step 6: Final answer
x = 221,987.46
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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.