Finding the Fourth Proportional to 398,894.47, 598,337.13 and 114,591.99
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Solution
The fourth proportional to 398,894.47, 598,337.13 and 114,591.99 is: 171,886.67
Step by Step Solution
- Step 1: Write the proportion equation
398,894.47 : 598,337.13 = 114,591.99 : x - Step 2: Convert to fraction form
398,894.47/598,337.13 = 114,591.99/x - Step 3: Cross multiply
398,894.47x = 598,337.13 × 114,591.99 - Step 4: Simplify right side
398,894.47x = 68,564,641,844.63 - Step 5: Solve for x
x = 68,564,641,844.63/398,894.47 - Step 6: Final answer
x = 171,886.67
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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.