Finding the Fourth Proportional to 711,983.08, 1,067,974.62 and 238,534.12
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Solution
The fourth proportional to 711,983.08, 1,067,974.62 and 238,534.12 is: 357,801.18
Step by Step Solution
- Step 1: Write the proportion equation
711,983.08 : 1,067,974.62 = 238,534.12 : x - Step 2: Convert to fraction form
711,983.08/1,067,974.62 = 238,534.12/x - Step 3: Cross multiply
711,983.08x = 1,067,974.62 × 238,534.12 - Step 4: Simplify right side
711,983.08x = 254,748,386,164.03 - Step 5: Solve for x
x = 254,748,386,164.03/711,983.08 - Step 6: Final answer
x = 357,801.18
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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.