Finding the Fourth Proportional to 461,477.12, 636,718.08 and 270,387.84
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Solution
The fourth proportional to 461,477.12, 636,718.08 and 270,387.84 is: 373,064.71
Step by Step Solution
- Step 1: Write the proportion equation
461,477.12 : 636,718.08 = 270,387.84 : x - Step 2: Convert to fraction form
461,477.12/636,718.08 = 270,387.84/x - Step 3: Cross multiply
461,477.12x = 636,718.08 × 270,387.84 - Step 4: Simplify right side
461,477.12x = 172,160,826,340.15 - Step 5: Solve for x
x = 172,160,826,340.15/461,477.12 - Step 6: Final answer
x = 373,064.71
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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.