Finding the Fourth Proportional to 432,862.21, 649,293.32 and 117,319.12
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Solution
The fourth proportional to 432,862.21, 649,293.32 and 117,319.12 is: 175,978.68
Step by Step Solution
- Step 1: Write the proportion equation
432,862.21 : 649,293.32 = 117,319.12 : x - Step 2: Convert to fraction form
432,862.21/649,293.32 = 117,319.12/x - Step 3: Cross multiply
432,862.21x = 649,293.32 × 117,319.12 - Step 4: Simplify right side
432,862.21x = 76,174,518,934.42 - Step 5: Solve for x
x = 76,174,518,934.42/432,862.21 - Step 6: Final answer
x = 175,978.68
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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.