Finding the Fourth Proportional to 156,778.03, 235,117.36 and 51,572.53
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Solution
The fourth proportional to 156,778.03, 235,117.36 and 51,572.53 is: 77,342.45
Step by Step Solution
- Step 1: Write the proportion equation
156,778.03 : 235,117.36 = 51,572.53 : x - Step 2: Convert to fraction form
156,778.03/235,117.36 = 51,572.53/x - Step 3: Cross multiply
156,778.03x = 235,117.36 × 51,572.53 - Step 4: Simplify right side
156,778.03x = 12,125,597,102.12 - Step 5: Solve for x
x = 12,125,597,102.12/156,778.03 - Step 6: Final answer
x = 77,342.45
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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.