Finding the Fourth Proportional to 225,598.84, 338,385.80 and 75,823.67
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Solution
The fourth proportional to 225,598.84, 338,385.80 and 75,823.67 is: 113,731.32
Step by Step Solution
- Step 1: Write the proportion equation
225,598.84 : 338,385.80 = 75,823.67 : x - Step 2: Convert to fraction form
225,598.84/338,385.80 = 75,823.67/x - Step 3: Cross multiply
225,598.84x = 338,385.80 × 75,823.67 - Step 4: Simplify right side
225,598.84x = 25,657,654,267.41 - Step 5: Solve for x
x = 25,657,654,267.41/225,598.84 - Step 6: Final answer
x = 113,731.32
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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.