Finding the Fourth Proportional to 374,612.36, 561,995.34 and 125,296.52
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Solution
The fourth proportional to 374,612.36, 561,995.34 and 125,296.52 is: 187,970.47
Step by Step Solution
- Step 1: Write the proportion equation
374,612.36 : 561,995.34 = 125,296.52 : x - Step 2: Convert to fraction form
374,612.36/561,995.34 = 125,296.52/x - Step 3: Cross multiply
374,612.36x = 561,995.34 × 125,296.52 - Step 4: Simplify right side
374,612.36x = 70,416,060,358.22 - Step 5: Solve for x
x = 70,416,060,358.22/374,612.36 - Step 6: Final answer
x = 187,970.47
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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.