Finding the Fourth Proportional to 495,201.57, 683,378.16 and 268,847.07
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Solution
The fourth proportional to 495,201.57, 683,378.16 and 268,847.07 is: 371,008.95
Step by Step Solution
- Step 1: Write the proportion equation
495,201.57 : 683,378.16 = 268,847.07 : x - Step 2: Convert to fraction form
495,201.57/683,378.16 = 268,847.07/x - Step 3: Cross multiply
495,201.57x = 683,378.16 × 268,847.07 - Step 4: Simplify right side
495,201.57x = 183,724,216,017.99 - Step 5: Solve for x
x = 183,724,216,017.99/495,201.57 - Step 6: Final answer
x = 371,008.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.