Finding the Fourth Proportional to 156,248.96, 215,564.08 and 115,510.92
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Solution
The fourth proportional to 156,248.96, 215,564.08 and 115,510.92 is: 159,361.09
Step by Step Solution
- Step 1: Write the proportion equation
156,248.96 : 215,564.08 = 115,510.92 : x - Step 2: Convert to fraction form
156,248.96/215,564.08 = 115,510.92/x - Step 3: Cross multiply
156,248.96x = 215,564.08 × 115,510.92 - Step 4: Simplify right side
156,248.96x = 24,900,005,199.75 - Step 5: Solve for x
x = 24,900,005,199.75/156,248.96 - Step 6: Final answer
x = 159,361.09
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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.