Finding the Fourth Proportional to 268,932,117.80, 403,398,176.70 and 230,668,365.80
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Solution
The fourth proportional to 268,932,117.80, 403,398,176.70 and 230,668,365.80 is: 346,002,548.70
Step by Step Solution
- Step 1: Write the proportion equation
268,932,117.80 : 403,398,176.70 = 230,668,365.80 : x - Step 2: Convert to fraction form
268,932,117.80/403,398,176.70 = 230,668,365.80/x - Step 3: Cross multiply
268,932,117.80x = 403,398,176.70 × 230,668,365.80 - Step 4: Simplify right side
268,932,117.80x = 93,051,198,186,088,640 - Step 5: Solve for x
x = 93,051,198,186,088,640/268,932,117.80 - Step 6: Final answer
x = 346,002,548.70
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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.