Finding the Fourth Proportional to 375,030.71, 517,543.74 and 202,948.65
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Solution
The fourth proportional to 375,030.71, 517,543.74 and 202,948.65 is: 280,069.88
Step by Step Solution
- Step 1: Write the proportion equation
375,030.71 : 517,543.74 = 202,948.65 : x - Step 2: Convert to fraction form
375,030.71/517,543.74 = 202,948.65/x - Step 3: Cross multiply
375,030.71x = 517,543.74 × 202,948.65 - Step 4: Simplify right side
375,030.71x = 105,034,803,348.95 - Step 5: Solve for x
x = 105,034,803,348.95/375,030.71 - Step 6: Final answer
x = 280,069.88
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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.