Finding the Fourth Proportional to 432,862.97, 649,294.44 and 117,319.87
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Solution
The fourth proportional to 432,862.97, 649,294.44 and 117,319.87 is: 175,979.80
Step by Step Solution
- Step 1: Write the proportion equation
432,862.97 : 649,294.44 = 117,319.87 : x - Step 2: Convert to fraction form
432,862.97/649,294.44 = 117,319.87/x - Step 3: Cross multiply
432,862.97x = 649,294.44 × 117,319.87 - Step 4: Simplify right side
432,862.97x = 76,175,137,669.29 - Step 5: Solve for x
x = 76,175,137,669.29/432,862.97 - Step 6: Final answer
x = 175,979.80
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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.