Finding the Fourth Proportional to 275,641.91, 412,909.27 and 125,675.91
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Solution
The fourth proportional to 275,641.91, 412,909.27 and 125,675.91 is: 188,261.46
Step by Step Solution
- Step 1: Write the proportion equation
275,641.91 : 412,909.27 = 125,675.91 : x - Step 2: Convert to fraction form
275,641.91/412,909.27 = 125,675.91/x - Step 3: Cross multiply
275,641.91x = 412,909.27 × 125,675.91 - Step 4: Simplify right side
275,641.91x = 51,892,748,254.69 - Step 5: Solve for x
x = 51,892,748,254.69/275,641.91 - Step 6: Final answer
x = 188,261.46
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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.