Finding the Fourth Proportional to 156,727.20, 235,126.26 and 51,547.08
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Solution
The fourth proportional to 156,727.20, 235,126.26 and 51,547.08 is: 77,332.28
Step by Step Solution
- Step 1: Write the proportion equation
156,727.20 : 235,126.26 = 51,547.08 : x - Step 2: Convert to fraction form
156,727.20/235,126.26 = 51,547.08/x - Step 3: Cross multiply
156,727.20x = 235,126.26 × 51,547.08 - Step 4: Simplify right side
156,727.20x = 12,120,072,134.32 - Step 5: Solve for x
x = 12,120,072,134.32/156,727.20 - Step 6: Final answer
x = 77,332.28
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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.