Finding the Fourth Proportional to 316,642.00, 474,963.95 and 76,754.95
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Solution
The fourth proportional to 316,642.00, 474,963.95 and 76,754.95 is: 115,132.66
Step by Step Solution
- Step 1: Write the proportion equation
316,642.00 : 474,963.95 = 76,754.95 : x - Step 2: Convert to fraction form
316,642.00/474,963.95 = 76,754.95/x - Step 3: Cross multiply
316,642.00x = 474,963.95 × 76,754.95 - Step 4: Simplify right side
316,642.00x = 36,455,836,578.12 - Step 5: Solve for x
x = 36,455,836,578.12/316,642.00 - Step 6: Final answer
x = 115,132.66
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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.