Finding the Fourth Proportional to 495,191.56, 742,295.18 and 295,212.28
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Solution
The fourth proportional to 495,191.56, 742,295.18 and 295,212.28 is: 442,525.02
Step by Step Solution
- Step 1: Write the proportion equation
495,191.56 : 742,295.18 = 295,212.28 : x - Step 2: Convert to fraction form
495,191.56/742,295.18 = 295,212.28/x - Step 3: Cross multiply
495,191.56x = 742,295.18 × 295,212.28 - Step 4: Simplify right side
495,191.56x = 219,134,652,520.81 - Step 5: Solve for x
x = 219,134,652,520.81/495,191.56 - Step 6: Final answer
x = 442,525.02
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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.