Finding the Fourth Proportional to 452,283.13, 678,443.15 and 115,332.52
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Solution
The fourth proportional to 452,283.13, 678,443.15 and 115,332.52 is: 173,003.49
Step by Step Solution
- Step 1: Write the proportion equation
452,283.13 : 678,443.15 = 115,332.52 : x - Step 2: Convert to fraction form
452,283.13/678,443.15 = 115,332.52/x - Step 3: Cross multiply
452,283.13x = 678,443.15 × 115,332.52 - Step 4: Simplify right side
452,283.13x = 78,246,558,166.24 - Step 5: Solve for x
x = 78,246,558,166.24/452,283.13 - Step 6: Final answer
x = 173,003.49
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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.