Finding the Fourth Proportional to 117,312.20, 175,964.96 and 56,508.74
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Solution
The fourth proportional to 117,312.20, 175,964.96 and 56,508.74 is: 84,761.50
Step by Step Solution
- Step 1: Write the proportion equation
117,312.20 : 175,964.96 = 56,508.74 : x - Step 2: Convert to fraction form
117,312.20/175,964.96 = 56,508.74/x - Step 3: Cross multiply
117,312.20x = 175,964.96 × 56,508.74 - Step 4: Simplify right side
117,312.20x = 9,943,558,173.75 - Step 5: Solve for x
x = 9,943,558,173.75/117,312.20 - Step 6: Final answer
x = 84,761.50
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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.