Finding the Fourth Proportional to 254,686.99, 351,468.12 and 141,509.74
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Solution
The fourth proportional to 254,686.99, 351,468.12 and 141,509.74 is: 195,283.48
Step by Step Solution
- Step 1: Write the proportion equation
254,686.99 : 351,468.12 = 141,509.74 : x - Step 2: Convert to fraction form
254,686.99/351,468.12 = 141,509.74/x - Step 3: Cross multiply
254,686.99x = 351,468.12 × 141,509.74 - Step 4: Simplify right side
254,686.99x = 49,736,162,279.49 - Step 5: Solve for x
x = 49,736,162,279.49/254,686.99 - Step 6: Final answer
x = 195,283.48
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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.