Finding the Fourth Proportional to 486,681.98, 671,660.24 and 268,909.62
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Solution
The fourth proportional to 486,681.98, 671,660.24 and 268,909.62 is: 371,116.88
Step by Step Solution
- Step 1: Write the proportion equation
486,681.98 : 671,660.24 = 268,909.62 : x - Step 2: Convert to fraction form
486,681.98/671,660.24 = 268,909.62/x - Step 3: Cross multiply
486,681.98x = 671,660.24 × 268,909.62 - Step 4: Simplify right side
486,681.98x = 180,615,899,907.51 - Step 5: Solve for x
x = 180,615,899,907.51/486,681.98 - Step 6: Final answer
x = 371,116.88
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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.