Finding the Fourth Proportional to 390,172.26, 584,335.74 and 332,599.50
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Solution
The fourth proportional to 390,172.26, 584,335.74 and 332,599.50 is: 498,112.74
Step by Step Solution
- Step 1: Write the proportion equation
390,172.26 : 584,335.74 = 332,599.50 : x - Step 2: Convert to fraction form
390,172.26/584,335.74 = 332,599.50/x - Step 3: Cross multiply
390,172.26x = 584,335.74 × 332,599.50 - Step 4: Simplify right side
390,172.26x = 194,349,774,956.13 - Step 5: Solve for x
x = 194,349,774,956.13/390,172.26 - Step 6: Final answer
x = 498,112.74
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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.