Finding the Fourth Proportional to 185,539.84, 255,887.04 and 129,086.08
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Solution
The fourth proportional to 185,539.84, 255,887.04 and 129,086.08 is: 178,028.91
Step by Step Solution
- Step 1: Write the proportion equation
185,539.84 : 255,887.04 = 129,086.08 : x - Step 2: Convert to fraction form
185,539.84/255,887.04 = 129,086.08/x - Step 3: Cross multiply
185,539.84x = 255,887.04 × 129,086.08 - Step 4: Simplify right side
185,539.84x = 33,031,454,916.40 - Step 5: Solve for x
x = 33,031,454,916.40/185,539.84 - Step 6: Final answer
x = 178,028.91
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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.