Finding the Fourth Proportional to 390,943.48, 586,590.18 and 224,731.48
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Solution
The fourth proportional to 390,943.48, 586,590.18 and 224,731.48 is: 337,197.79
Step by Step Solution
- Step 1: Write the proportion equation
390,943.48 : 586,590.18 = 224,731.48 : x - Step 2: Convert to fraction form
390,943.48/586,590.18 = 224,731.48/x - Step 3: Cross multiply
390,943.48x = 586,590.18 × 224,731.48 - Step 4: Simplify right side
390,943.48x = 131,825,279,304.87 - Step 5: Solve for x
x = 131,825,279,304.87/390,943.48 - Step 6: Final answer
x = 337,197.79
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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.