Finding the Fourth Proportional to 479,393.84, 719,365.52 and 195,031.91
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Solution
The fourth proportional to 479,393.84, 719,365.52 and 195,031.91 is: 292,659.65
Step by Step Solution
- Step 1: Write the proportion equation
479,393.84 : 719,365.52 = 195,031.91 : x - Step 2: Convert to fraction form
479,393.84/719,365.52 = 195,031.91/x - Step 3: Cross multiply
479,393.84x = 719,365.52 × 195,031.91 - Step 4: Simplify right side
479,393.84x = 140,299,231,353.74 - Step 5: Solve for x
x = 140,299,231,353.74/479,393.84 - Step 6: Final answer
x = 292,659.65
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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.