Finding the Fourth Proportional to 430,777.53, 646,565.27 and 217,695.42
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Solution
The fourth proportional to 430,777.53, 646,565.27 and 217,695.42 is: 326,744.75
Step by Step Solution
- Step 1: Write the proportion equation
430,777.53 : 646,565.27 = 217,695.42 : x - Step 2: Convert to fraction form
430,777.53/646,565.27 = 217,695.42/x - Step 3: Cross multiply
430,777.53x = 646,565.27 × 217,695.42 - Step 4: Simplify right side
430,777.53x = 140,754,296,921.59 - Step 5: Solve for x
x = 140,754,296,921.59/430,777.53 - Step 6: Final answer
x = 326,744.75
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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.