Finding the Fourth Proportional to 472,405.28, 708,462.58 and 135,355.63
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Solution
The fourth proportional to 472,405.28, 708,462.58 and 135,355.63 is: 202,991.80
Step by Step Solution
- Step 1: Write the proportion equation
472,405.28 : 708,462.58 = 135,355.63 : x - Step 2: Convert to fraction form
472,405.28/708,462.58 = 135,355.63/x - Step 3: Cross multiply
472,405.28x = 708,462.58 × 135,355.63 - Step 4: Simplify right side
472,405.28x = 95,894,396,737.78 - Step 5: Solve for x
x = 95,894,396,737.78/472,405.28 - Step 6: Final answer
x = 202,991.80
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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.