Finding the Fourth Proportional to 157,447.92, 217,267.26 and 88,547.70
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Solution
The fourth proportional to 157,447.92, 217,267.26 and 88,547.70 is: 122,189.71
Step by Step Solution
- Step 1: Write the proportion equation
157,447.92 : 217,267.26 = 88,547.70 : x - Step 2: Convert to fraction form
157,447.92/217,267.26 = 88,547.70/x - Step 3: Cross multiply
157,447.92x = 217,267.26 × 88,547.70 - Step 4: Simplify right side
157,447.92x = 19,238,516,158.30 - Step 5: Solve for x
x = 19,238,516,158.30/157,447.92 - Step 6: Final answer
x = 122,189.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.