Finding the Fourth Proportional to 414,802.71, 572,470.61 and 253,764.81
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Solution
The fourth proportional to 414,802.71, 572,470.61 and 253,764.81 is: 350,221.66
Step by Step Solution
- Step 1: Write the proportion equation
414,802.71 : 572,470.61 = 253,764.81 : x - Step 2: Convert to fraction form
414,802.71/572,470.61 = 253,764.81/x - Step 3: Cross multiply
414,802.71x = 572,470.61 × 253,764.81 - Step 4: Simplify right side
414,802.71x = 145,272,894,308.41 - Step 5: Solve for x
x = 145,272,894,308.41/414,802.71 - Step 6: Final answer
x = 350,221.66
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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.