Finding the Fourth Proportional to 374,293.80, 561,440.70 and 187,237.80
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Solution
The fourth proportional to 374,293.80, 561,440.70 and 187,237.80 is: 280,856.70
Step by Step Solution
- Step 1: Write the proportion equation
374,293.80 : 561,440.70 = 187,237.80 : x - Step 2: Convert to fraction form
374,293.80/561,440.70 = 187,237.80/x - Step 3: Cross multiply
374,293.80x = 561,440.70 × 187,237.80 - Step 4: Simplify right side
374,293.80x = 105,122,921,498.46 - Step 5: Solve for x
x = 105,122,921,498.46/374,293.80 - Step 6: Final answer
x = 280,856.70
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1.5x scale
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.