Finding the Fourth Proportional to 328,668.74, 453,565.88 and 185,432.09
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Solution
The fourth proportional to 328,668.74, 453,565.88 and 185,432.09 is: 255,897.98
Step by Step Solution
- Step 1: Write the proportion equation
328,668.74 : 453,565.88 = 185,432.09 : x - Step 2: Convert to fraction form
328,668.74/453,565.88 = 185,432.09/x - Step 3: Cross multiply
328,668.74x = 453,565.88 × 185,432.09 - Step 4: Simplify right side
328,668.74x = 84,105,666,581.47 - Step 5: Solve for x
x = 84,105,666,581.47/328,668.74 - Step 6: Final answer
x = 255,897.98
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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.