Finding the Fourth Proportional to 316,250.56, 474,367.95 and 147,959.18
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Solution
The fourth proportional to 316,250.56, 474,367.95 and 147,959.18 is: 221,935.07
Step by Step Solution
- Step 1: Write the proportion equation
316,250.56 : 474,367.95 = 147,959.18 : x - Step 2: Convert to fraction form
316,250.56/474,367.95 = 147,959.18/x - Step 3: Cross multiply
316,250.56x = 474,367.95 × 147,959.18 - Step 4: Simplify right side
316,250.56x = 70,187,090,528.44 - Step 5: Solve for x
x = 70,187,090,528.44/316,250.56 - Step 6: Final answer
x = 221,935.07
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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.