Finding the Fourth Proportional to 173,261.71, 239,335.18 and 130,563.95
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Solution
The fourth proportional to 173,261.71, 239,335.18 and 130,563.95 is: 180,354.60
Step by Step Solution
- Step 1: Write the proportion equation
173,261.71 : 239,335.18 = 130,563.95 : x - Step 2: Convert to fraction form
173,261.71/239,335.18 = 130,563.95/x - Step 3: Cross multiply
173,261.71x = 239,335.18 × 130,563.95 - Step 4: Simplify right side
173,261.71x = 31,248,547,032.36 - Step 5: Solve for x
x = 31,248,547,032.36/173,261.71 - Step 6: Final answer
x = 180,354.60
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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.