Finding the Fourth Proportional to 408,423.65, 563,541.91 and 238,624.97
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Solution
The fourth proportional to 408,423.65, 563,541.91 and 238,624.97 is: 329,254.12
Step by Step Solution
- Step 1: Write the proportion equation
408,423.65 : 563,541.91 = 238,624.97 : x - Step 2: Convert to fraction form
408,423.65/563,541.91 = 238,624.97/x - Step 3: Cross multiply
408,423.65x = 563,541.91 × 238,624.97 - Step 4: Simplify right side
408,423.65x = 134,475,167,953.22 - Step 5: Solve for x
x = 134,475,167,953.22/408,423.65 - Step 6: Final answer
x = 329,254.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.