Finding the Fourth Proportional to 649,206.87, 895,951.84 and 358,812.19
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Solution
The fourth proportional to 649,206.87, 895,951.84 and 358,812.19 is: 495,186.44
Step by Step Solution
- Step 1: Write the proportion equation
649,206.87 : 895,951.84 = 358,812.19 : x - Step 2: Convert to fraction form
649,206.87/895,951.84 = 358,812.19/x - Step 3: Cross multiply
649,206.87x = 895,951.84 × 358,812.19 - Step 4: Simplify right side
649,206.87x = 321,478,441,844.93 - Step 5: Solve for x
x = 321,478,441,844.93/649,206.87 - Step 6: Final answer
x = 495,186.44
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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.