Finding the Fourth Proportional to 608,135.20, 912,202.80 and 164,903.20
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Solution
The fourth proportional to 608,135.20, 912,202.80 and 164,903.20 is: 247,354.80
Step by Step Solution
- Step 1: Write the proportion equation
608,135.20 : 912,202.80 = 164,903.20 : x - Step 2: Convert to fraction form
608,135.20/912,202.80 = 164,903.20/x - Step 3: Cross multiply
608,135.20x = 912,202.80 × 164,903.20 - Step 4: Simplify right side
608,135.20x = 150,425,160,768.96 - Step 5: Solve for x
x = 150,425,160,768.96/608,135.20 - Step 6: Final answer
x = 247,354.80
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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.