Finding the Fourth Proportional to 156,246.48, 215,624.16 and 92,574
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Solution
The fourth proportional to 156,246.48, 215,624.16 and 92,574 is: 127,754.50
Step by Step Solution
- Step 1: Write the proportion equation
156,246.48 : 215,624.16 = 92,574 : x - Step 2: Convert to fraction form
156,246.48/215,624.16 = 92,574/x - Step 3: Cross multiply
156,246.48x = 215,624.16 × 92,574 - Step 4: Simplify right side
156,246.48x = 19,961,190,987.84 - Step 5: Solve for x
x = 19,961,190,987.84/156,246.48 - Step 6: Final answer
x = 127,754.50
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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.