Finding the Fourth Proportional to 247,878.35, 341,946.19 and 161,887.65
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Solution
The fourth proportional to 247,878.35, 341,946.19 and 161,887.65 is: 223,322.70
Step by Step Solution
- Step 1: Write the proportion equation
247,878.35 : 341,946.19 = 161,887.65 : x - Step 2: Convert to fraction form
247,878.35/341,946.19 = 161,887.65/x - Step 3: Cross multiply
247,878.35x = 341,946.19 × 161,887.65 - Step 4: Simplify right side
247,878.35x = 55,356,863,415.82 - Step 5: Solve for x
x = 55,356,863,415.82/247,878.35 - Step 6: Final answer
x = 223,322.70
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1.5x scale
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.