Finding the Fourth Proportional to 498,407.13, 687,801.66 and 272,052.63
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Solution
The fourth proportional to 498,407.13, 687,801.66 and 272,052.63 is: 375,432.53
Step by Step Solution
- Step 1: Write the proportion equation
498,407.13 : 687,801.66 = 272,052.63 : x - Step 2: Convert to fraction form
498,407.13/687,801.66 = 272,052.63/x - Step 3: Cross multiply
498,407.13x = 687,801.66 × 272,052.63 - Step 4: Simplify right side
498,407.13x = 187,118,250,521.37 - Step 5: Solve for x
x = 187,118,250,521.37/498,407.13 - Step 6: Final answer
x = 375,432.53
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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.