Finding the Fourth Proportional to 436,177.97, 654,266.21 and 136,681.55
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Solution
The fourth proportional to 436,177.97, 654,266.21 and 136,681.55 is: 205,022.08
Step by Step Solution
- Step 1: Write the proportion equation
436,177.97 : 654,266.21 = 136,681.55 : x - Step 2: Convert to fraction form
436,177.97/654,266.21 = 136,681.55/x - Step 3: Cross multiply
436,177.97x = 654,266.21 × 136,681.55 - Step 4: Simplify right side
436,177.97x = 89,426,115,740.69 - Step 5: Solve for x
x = 89,426,115,740.69/436,177.97 - Step 6: Final answer
x = 205,022.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.