Finding the Fourth Proportional to 424,867.19, 586,337.78 and 233,878.55
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Solution
The fourth proportional to 424,867.19, 586,337.78 and 233,878.55 is: 322,763.99
Step by Step Solution
- Step 1: Write the proportion equation
424,867.19 : 586,337.78 = 233,878.55 : x - Step 2: Convert to fraction form
424,867.19/586,337.78 = 233,878.55/x - Step 3: Cross multiply
424,867.19x = 586,337.78 × 233,878.55 - Step 4: Simplify right side
424,867.19x = 137,131,829,796.62 - Step 5: Solve for x
x = 137,131,829,796.62/424,867.19 - Step 6: Final answer
x = 322,763.99
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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.