Finding the Fourth Proportional to 468,047.98, 645,909.36 and 286,760.26
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Solution
The fourth proportional to 468,047.98, 645,909.36 and 286,760.26 is: 395,731.09
Step by Step Solution
- Step 1: Write the proportion equation
468,047.98 : 645,909.36 = 286,760.26 : x - Step 2: Convert to fraction form
468,047.98/645,909.36 = 286,760.26/x - Step 3: Cross multiply
468,047.98x = 645,909.36 × 286,760.26 - Step 4: Simplify right side
468,047.98x = 185,221,136,010.03 - Step 5: Solve for x
x = 185,221,136,010.03/468,047.98 - Step 6: Final answer
x = 395,731.09
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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.