Finding the Fourth Proportional to 424,840.53, 586,211.33 and 243,519.09
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Solution
The fourth proportional to 424,840.53, 586,211.33 and 243,519.09 is: 336,017.02
Step by Step Solution
- Step 1: Write the proportion equation
424,840.53 : 586,211.33 = 243,519.09 : x - Step 2: Convert to fraction form
424,840.53/586,211.33 = 243,519.09/x - Step 3: Cross multiply
424,840.53x = 586,211.33 × 243,519.09 - Step 4: Simplify right side
424,840.53x = 142,753,648,411.69 - Step 5: Solve for x
x = 142,753,648,411.69/424,840.53 - Step 6: Final answer
x = 336,017.02
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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.