Finding the Fourth Proportional to 398,215.80, 597,316.02 and 98,697
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Solution
The fourth proportional to 398,215.80, 597,316.02 and 98,697 is: 148,043.60
Step by Step Solution
- Step 1: Write the proportion equation
398,215.80 : 597,316.02 = 98,697 : x - Step 2: Convert to fraction form
398,215.80/597,316.02 = 98,697/x - Step 3: Cross multiply
398,215.80x = 597,316.02 × 98,697 - Step 4: Simplify right side
398,215.80x = 58,953,299,225.94 - Step 5: Solve for x
x = 58,953,299,225.94/398,215.80 - Step 6: Final answer
x = 148,043.60
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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.