Finding the Fourth Proportional to 398,655.30, 550,277.62 and 237,560.88
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Solution
The fourth proportional to 398,655.30, 550,277.62 and 237,560.88 is: 327,913.45
Step by Step Solution
- Step 1: Write the proportion equation
398,655.30 : 550,277.62 = 237,560.88 : x - Step 2: Convert to fraction form
398,655.30/550,277.62 = 237,560.88/x - Step 3: Cross multiply
398,655.30x = 550,277.62 × 237,560.88 - Step 4: Simplify right side
398,655.30x = 130,724,435,651.51 - Step 5: Solve for x
x = 130,724,435,651.51/398,655.30 - Step 6: Final answer
x = 327,913.45
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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.