Finding the Fourth Proportional to 418,363.63, 577,341.88 and 227,377.02
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Solution
The fourth proportional to 418,363.63, 577,341.88 and 227,377.02 is: 313,780.33
Step by Step Solution
- Step 1: Write the proportion equation
418,363.63 : 577,341.88 = 227,377.02 : x - Step 2: Convert to fraction form
418,363.63/577,341.88 = 227,377.02/x - Step 3: Cross multiply
418,363.63x = 577,341.88 × 227,377.02 - Step 4: Simplify right side
418,363.63x = 131,274,277,792.19 - Step 5: Solve for x
x = 131,274,277,792.19/418,363.63 - Step 6: Final answer
x = 313,780.33
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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.