Finding the Fourth Proportional to 398,529.18, 549,972.72 and 237,391.02
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Solution
The fourth proportional to 398,529.18, 549,972.72 and 237,391.02 is: 327,601.07
Step by Step Solution
- Step 1: Write the proportion equation
398,529.18 : 549,972.72 = 237,391.02 : x - Step 2: Convert to fraction form
398,529.18/549,972.72 = 237,391.02/x - Step 3: Cross multiply
398,529.18x = 549,972.72 × 237,391.02 - Step 4: Simplify right side
398,529.18x = 130,558,584,972.97 - Step 5: Solve for x
x = 130,558,584,972.97/398,529.18 - Step 6: Final answer
x = 327,601.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.