Finding the Fourth Proportional to 156,656.92, 234,989.99 and 38,328.28
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Solution
The fourth proportional to 156,656.92, 234,989.99 and 38,328.28 is: 57,493.55
Step by Step Solution
- Step 1: Write the proportion equation
156,656.92 : 234,989.99 = 38,328.28 : x - Step 2: Convert to fraction form
156,656.92/234,989.99 = 38,328.28/x - Step 3: Cross multiply
156,656.92x = 234,989.99 × 38,328.28 - Step 4: Simplify right side
156,656.92x = 9,006,762,133.92 - Step 5: Solve for x
x = 9,006,762,133.92/156,656.92 - Step 6: Final answer
x = 57,493.55
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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.