Finding the Fourth Proportional to 283,479.69, 425,220.12 and 266,158.65
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Solution
The fourth proportional to 283,479.69, 425,220.12 and 266,158.65 is: 399,238.52
Step by Step Solution
- Step 1: Write the proportion equation
283,479.69 : 425,220.12 = 266,158.65 : x - Step 2: Convert to fraction form
283,479.69/425,220.12 = 266,158.65/x - Step 3: Cross multiply
283,479.69x = 425,220.12 × 266,158.65 - Step 4: Simplify right side
283,479.69x = 113,176,013,092.04 - Step 5: Solve for x
x = 113,176,013,092.04/283,479.69 - Step 6: Final answer
x = 399,238.52
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1.5x scale
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.