Finding the Fourth Proportional to 608,438.60, 912,701.10 and 187,713.80
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Solution
The fourth proportional to 608,438.60, 912,701.10 and 187,713.80 is: 281,584.03
Step by Step Solution
- Step 1: Write the proportion equation
608,438.60 : 912,701.10 = 187,713.80 : x - Step 2: Convert to fraction form
608,438.60/912,701.10 = 187,713.80/x - Step 3: Cross multiply
608,438.60x = 912,701.10 × 187,713.80 - Step 4: Simplify right side
608,438.60x = 171,326,591,745.18 - Step 5: Solve for x
x = 171,326,591,745.18/608,438.60 - Step 6: Final answer
x = 281,584.03
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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.