Finding the Fourth Proportional to 94,318.20, 130,159.95 and 51,298.08
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Solution
The fourth proportional to 94,318.20, 130,159.95 and 51,298.08 is: 70,791.80
Step by Step Solution
- Step 1: Write the proportion equation
94,318.20 : 130,159.95 = 51,298.08 : x - Step 2: Convert to fraction form
94,318.20/130,159.95 = 51,298.08/x - Step 3: Cross multiply
94,318.20x = 130,159.95 × 51,298.08 - Step 4: Simplify right side
94,318.20x = 6,676,955,527.90 - Step 5: Solve for x
x = 6,676,955,527.90/94,318.20 - Step 6: Final answer
x = 70,791.80
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1.5x scale
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.