Finding the Fourth Proportional to 271,763.91, 375,044.99 and 157,038.75
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Solution
The fourth proportional to 271,763.91, 375,044.99 and 157,038.75 is: 216,719.71
Step by Step Solution
- Step 1: Write the proportion equation
271,763.91 : 375,044.99 = 157,038.75 : x - Step 2: Convert to fraction form
271,763.91/375,044.99 = 157,038.75/x - Step 3: Cross multiply
271,763.91x = 375,044.99 × 157,038.75 - Step 4: Simplify right side
271,763.91x = 58,896,595,638.17 - Step 5: Solve for x
x = 58,896,595,638.17/271,763.91 - Step 6: Final answer
x = 216,719.71
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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.