Finding the Fourth Proportional to 390,913.48, 586,545.18 and 224,701.48
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Solution
The fourth proportional to 390,913.48, 586,545.18 and 224,701.48 is: 337,152.79
Step by Step Solution
- Step 1: Write the proportion equation
390,913.48 : 586,545.18 = 224,701.48 : x - Step 2: Convert to fraction form
390,913.48/586,545.18 = 224,701.48/x - Step 3: Cross multiply
390,913.48x = 586,545.18 × 224,701.48 - Step 4: Simplify right side
390,913.48x = 131,797,570,032.87 - Step 5: Solve for x
x = 131,797,570,032.87/390,913.48 - Step 6: Final answer
x = 337,152.79
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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.