Finding the Fourth Proportional to 230,900,287.02, 318,642,295.40 and 125,053,707.18
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Solution
The fourth proportional to 230,900,287.02, 318,642,295.40 and 125,053,707.18 is: 172,574,061.38
Step by Step Solution
- Step 1: Write the proportion equation
230,900,287.02 : 318,642,295.40 = 125,053,707.18 : x - Step 2: Convert to fraction form
230,900,287.02/318,642,295.40 = 125,053,707.18/x - Step 3: Cross multiply
230,900,287.02x = 318,642,295.40 × 125,053,707.18 - Step 4: Simplify right side
230,900,287.02x = 39,847,400,304,427,296 - Step 5: Solve for x
x = 39,847,400,304,427,296/230,900,287.02 - Step 6: Final answer
x = 172,574,061.38
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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.