Finding the Fourth Proportional to 156,737.36, 235,106.06 and 38,407.68
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Solution
The fourth proportional to 156,737.36, 235,106.06 and 38,407.68 is: 57,611.52
Step by Step Solution
- Step 1: Write the proportion equation
156,737.36 : 235,106.06 = 38,407.68 : x - Step 2: Convert to fraction form
156,737.36/235,106.06 = 38,407.68/x - Step 3: Cross multiply
156,737.36x = 235,106.06 × 38,407.68 - Step 4: Simplify right side
156,737.36x = 9,029,878,126.50 - Step 5: Solve for x
x = 9,029,878,126.50/156,737.36 - Step 6: Final answer
x = 57,611.52
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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.