Finding the Fourth Proportional to 344,284.20, 474,979.14 and 253,854.18
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Solution
The fourth proportional to 344,284.20, 474,979.14 and 253,854.18 is: 350,220.66
Step by Step Solution
- Step 1: Write the proportion equation
344,284.20 : 474,979.14 = 253,854.18 : x - Step 2: Convert to fraction form
344,284.20/474,979.14 = 253,854.18/x - Step 3: Cross multiply
344,284.20x = 474,979.14 × 253,854.18 - Step 4: Simplify right side
344,284.20x = 120,575,440,101.81 - Step 5: Solve for x
x = 120,575,440,101.81/344,284.20 - Step 6: Final answer
x = 350,220.66
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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.