Finding the Fourth Proportional to 254,459.84, 351,155.36 and 141,282.88
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Solution
The fourth proportional to 254,459.84, 351,155.36 and 141,282.88 is: 194,970.81
Step by Step Solution
- Step 1: Write the proportion equation
254,459.84 : 351,155.36 = 141,282.88 : x - Step 2: Convert to fraction form
254,459.84/351,155.36 = 141,282.88/x - Step 3: Cross multiply
254,459.84x = 351,155.36 × 141,282.88 - Step 4: Simplify right side
254,459.84x = 49,612,240,588.24 - Step 5: Solve for x
x = 49,612,240,588.24/254,459.84 - Step 6: Final answer
x = 194,970.81
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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.