Finding the Fourth Proportional to 480,979.95, 663,743.58 and 266,120.02
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Solution
The fourth proportional to 480,979.95, 663,743.58 and 266,120.02 is: 367,240.79
Step by Step Solution
- Step 1: Write the proportion equation
480,979.95 : 663,743.58 = 266,120.02 : x - Step 2: Convert to fraction form
480,979.95/663,743.58 = 266,120.02/x - Step 3: Cross multiply
480,979.95x = 663,743.58 × 266,120.02 - Step 4: Simplify right side
480,979.95x = 176,635,454,784.47 - Step 5: Solve for x
x = 176,635,454,784.47/480,979.95 - Step 6: Final answer
x = 367,240.79
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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.