Finding the Fourth Proportional to 771,877.16, 1,157,854.14 and 239,760.68
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Solution
The fourth proportional to 771,877.16, 1,157,854.14 and 239,760.68 is: 359,652.95
Step by Step Solution
- Step 1: Write the proportion equation
771,877.16 : 1,157,854.14 = 239,760.68 : x - Step 2: Convert to fraction form
771,877.16/1,157,854.14 = 239,760.68/x - Step 3: Cross multiply
771,877.16x = 1,157,854.14 × 239,760.68 - Step 4: Simplify right side
771,877.16x = 277,607,895,947.22 - Step 5: Solve for x
x = 277,607,895,947.22/771,877.16 - Step 6: Final answer
x = 359,652.95
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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.