Finding the Fourth Proportional to 207,149.40, 310,673.58 and 57,385.80
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Solution
The fourth proportional to 207,149.40, 310,673.58 and 57,385.80 is: 86,064.70
Step by Step Solution
- Step 1: Write the proportion equation
207,149.40 : 310,673.58 = 57,385.80 : x - Step 2: Convert to fraction form
207,149.40/310,673.58 = 57,385.80/x - Step 3: Cross multiply
207,149.40x = 310,673.58 × 57,385.80 - Step 4: Simplify right side
207,149.40x = 17,828,251,927.16 - Step 5: Solve for x
x = 17,828,251,927.16/207,149.40 - Step 6: Final answer
x = 86,064.70
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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.