Finding the Fourth Proportional to 94,397.28, 130,263.30 and 51,947.62
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Solution
The fourth proportional to 94,397.28, 130,263.30 and 51,947.62 is: 71,684.99
Step by Step Solution
- Step 1: Write the proportion equation
94,397.28 : 130,263.30 = 51,947.62 : x - Step 2: Convert to fraction form
94,397.28/130,263.30 = 51,947.62/x - Step 3: Cross multiply
94,397.28x = 130,263.30 × 51,947.62 - Step 4: Simplify right side
94,397.28x = 6,766,868,408.35 - Step 5: Solve for x
x = 6,766,868,408.35/94,397.28 - Step 6: Final answer
x = 71,684.99
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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.