Finding the Fourth Proportional to 254,155.84, 350,726.12 and 140,989.12
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Solution
The fourth proportional to 254,155.84, 350,726.12 and 140,989.12 is: 194,560.03
Step by Step Solution
- Step 1: Write the proportion equation
254,155.84 : 350,726.12 = 140,989.12 : x - Step 2: Convert to fraction form
254,155.84/350,726.12 = 140,989.12/x - Step 3: Cross multiply
254,155.84x = 350,726.12 × 140,989.12 - Step 4: Simplify right side
254,155.84x = 49,448,567,019.81 - Step 5: Solve for x
x = 49,448,567,019.81/254,155.84 - Step 6: Final answer
x = 194,560.03
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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.