Finding the Fourth Proportional to 149,645.80, 224,468.70 and 70,913.80
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Solution
The fourth proportional to 149,645.80, 224,468.70 and 70,913.80 is: 106,370.70
Step by Step Solution
- Step 1: Write the proportion equation
149,645.80 : 224,468.70 = 70,913.80 : x - Step 2: Convert to fraction form
149,645.80/224,468.70 = 70,913.80/x - Step 3: Cross multiply
149,645.80x = 224,468.70 × 70,913.80 - Step 4: Simplify right side
149,645.80x = 15,917,928,498.06 - Step 5: Solve for x
x = 15,917,928,498.06/149,645.80 - Step 6: Final answer
x = 106,370.70
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1.5x scale
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.