Finding the Fourth Proportional to 247,856.98, 342,041.99 and 134,679.74
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Solution
The fourth proportional to 247,856.98, 342,041.99 and 134,679.74 is: 185,857.69
Step by Step Solution
- Step 1: Write the proportion equation
247,856.98 : 342,041.99 = 134,679.74 : x - Step 2: Convert to fraction form
247,856.98/342,041.99 = 134,679.74/x - Step 3: Cross multiply
247,856.98x = 342,041.99 × 134,679.74 - Step 4: Simplify right side
247,856.98x = 46,066,126,282.28 - Step 5: Solve for x
x = 46,066,126,282.28/247,856.98 - Step 6: Final answer
x = 185,857.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.