Finding the Fourth Proportional to 418,560.40, 627,811.80 and 134,246.80
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Solution
The fourth proportional to 418,560.40, 627,811.80 and 134,246.80 is: 201,360.96
Step by Step Solution
- Step 1: Write the proportion equation
418,560.40 : 627,811.80 = 134,246.80 : x - Step 2: Convert to fraction form
418,560.40/627,811.80 = 134,246.80/x - Step 3: Cross multiply
418,560.40x = 627,811.80 × 134,246.80 - Step 4: Simplify right side
418,560.40x = 84,281,725,152.24 - Step 5: Solve for x
x = 84,281,725,152.24/418,560.40 - Step 6: Final answer
x = 201,360.96
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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.