Finding the Fourth Proportional to 316,571.13, 474,856.70 and 94,955.13
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Solution
The fourth proportional to 316,571.13, 474,856.70 and 94,955.13 is: 142,432.70
Step by Step Solution
- Step 1: Write the proportion equation
316,571.13 : 474,856.70 = 94,955.13 : x - Step 2: Convert to fraction form
316,571.13/474,856.70 = 94,955.13/x - Step 3: Cross multiply
316,571.13x = 474,856.70 × 94,955.13 - Step 4: Simplify right side
316,571.13x = 45,090,079,679.87 - Step 5: Solve for x
x = 45,090,079,679.87/316,571.13 - Step 6: Final answer
x = 142,432.70
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1.5x scale
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.