Finding the Fourth Proportional to 343,656.38, 474,248.49 and 190,695.17
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Solution
The fourth proportional to 343,656.38, 474,248.49 and 190,695.17 is: 263,160.82
Step by Step Solution
- Step 1: Write the proportion equation
343,656.38 : 474,248.49 = 190,695.17 : x - Step 2: Convert to fraction form
343,656.38/474,248.49 = 190,695.17/x - Step 3: Cross multiply
343,656.38x = 474,248.49 × 190,695.17 - Step 4: Simplify right side
343,656.38x = 90,436,896,422.79 - Step 5: Solve for x
x = 90,436,896,422.79/343,656.38 - Step 6: Final answer
x = 263,160.82
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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.