Finding the Fourth Proportional to 153,963.45, 230,856.99 and 47,319.66
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Solution
The fourth proportional to 153,963.45, 230,856.99 and 47,319.66 is: 70,952.39
Step by Step Solution
- Step 1: Write the proportion equation
153,963.45 : 230,856.99 = 47,319.66 : x - Step 2: Convert to fraction form
153,963.45/230,856.99 = 47,319.66/x - Step 3: Cross multiply
153,963.45x = 230,856.99 × 47,319.66 - Step 4: Simplify right side
153,963.45x = 10,924,074,097.97 - Step 5: Solve for x
x = 10,924,074,097.97/153,963.45 - Step 6: Final answer
x = 70,952.39
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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.