Finding the Fourth Proportional to 488,156.74, 673,637.58 and 267,390.48
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Solution
The fourth proportional to 488,156.74, 673,637.58 and 267,390.48 is: 368,988.61
Step by Step Solution
- Step 1: Write the proportion equation
488,156.74 : 673,637.58 = 267,390.48 : x - Step 2: Convert to fraction form
488,156.74/673,637.58 = 267,390.48/x - Step 3: Cross multiply
488,156.74x = 673,637.58 × 267,390.48 - Step 4: Simplify right side
488,156.74x = 180,124,275,862.24 - Step 5: Solve for x
x = 180,124,275,862.24/488,156.74 - Step 6: Final answer
x = 368,988.61
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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.