Finding the Fourth Proportional to 328,619.04, 453,490.80 and 185,425.68
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Solution
The fourth proportional to 328,619.04, 453,490.80 and 185,425.68 is: 255,885.48
Step by Step Solution
- Step 1: Write the proportion equation
328,619.04 : 453,490.80 = 185,425.68 : x - Step 2: Convert to fraction form
328,619.04/453,490.80 = 185,425.68/x - Step 3: Cross multiply
328,619.04x = 453,490.80 × 185,425.68 - Step 4: Simplify right side
328,619.04x = 84,088,839,963.74 - Step 5: Solve for x
x = 84,088,839,963.74/328,619.04 - Step 6: Final answer
x = 255,885.48
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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.