Finding the Fourth Proportional to 309,934.08, 464,898.96 and 88,318.08
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Solution
The fourth proportional to 309,934.08, 464,898.96 and 88,318.08 is: 132,476.50
Step by Step Solution
- Step 1: Write the proportion equation
309,934.08 : 464,898.96 = 88,318.08 : x - Step 2: Convert to fraction form
309,934.08/464,898.96 = 88,318.08/x - Step 3: Cross multiply
309,934.08x = 464,898.96 × 88,318.08 - Step 4: Simplify right side
309,934.08x = 41,058,983,541.20 - Step 5: Solve for x
x = 41,058,983,541.20/309,934.08 - Step 6: Final answer
x = 132,476.50
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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.