Finding the Fourth Proportional to 398,122.60, 596,593.18 and 292,424.89
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Solution
The fourth proportional to 398,122.60, 596,593.18 and 292,424.89 is: 438,203.45
Step by Step Solution
- Step 1: Write the proportion equation
398,122.60 : 596,593.18 = 292,424.89 : x - Step 2: Convert to fraction form
398,122.60/596,593.18 = 292,424.89/x - Step 3: Cross multiply
398,122.60x = 596,593.18 × 292,424.89 - Step 4: Simplify right side
398,122.60x = 174,458,695,036.25 - Step 5: Solve for x
x = 174,458,695,036.25/398,122.60 - Step 6: Final answer
x = 438,203.45
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1.5x scale
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.