Finding the Fourth Proportional to 157,702.24, 236,465.84 and 52,463.76
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Solution
The fourth proportional to 157,702.24, 236,465.84 and 52,463.76 is: 78,666.52
Step by Step Solution
- Step 1: Write the proportion equation
157,702.24 : 236,465.84 = 52,463.76 : x - Step 2: Convert to fraction form
157,702.24/236,465.84 = 52,463.76/x - Step 3: Cross multiply
157,702.24x = 236,465.84 × 52,463.76 - Step 4: Simplify right side
157,702.24x = 12,405,887,077.96 - Step 5: Solve for x
x = 12,405,887,077.96/157,702.24 - Step 6: Final answer
x = 78,666.52
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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.