Finding the Fourth Proportional to 226,347.18, 312,363.09 and 124,377.09
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Solution
The fourth proportional to 226,347.18, 312,363.09 and 124,377.09 is: 171,642.57
Step by Step Solution
- Step 1: Write the proportion equation
226,347.18 : 312,363.09 = 124,377.09 : x - Step 2: Convert to fraction form
226,347.18/312,363.09 = 124,377.09/x - Step 3: Cross multiply
226,347.18x = 312,363.09 × 124,377.09 - Step 4: Simplify right side
226,347.18x = 38,850,812,157.61 - Step 5: Solve for x
x = 38,850,812,157.61/226,347.18 - Step 6: Final answer
x = 171,642.57
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1.5x scale
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.