Finding the Fourth Proportional to 124,908.99, 187,363.35 and 31,414.74
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Solution
The fourth proportional to 124,908.99, 187,363.35 and 31,414.74 is: 47,122.08
Step by Step Solution
- Step 1: Write the proportion equation
124,908.99 : 187,363.35 = 31,414.74 : x - Step 2: Convert to fraction form
124,908.99/187,363.35 = 31,414.74/x - Step 3: Cross multiply
124,908.99x = 187,363.35 × 31,414.74 - Step 4: Simplify right side
124,908.99x = 5,885,970,925.78 - Step 5: Solve for x
x = 5,885,970,925.78/124,908.99 - Step 6: Final answer
x = 47,122.08
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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.