Finding the Fourth Proportional to 185,352.84, 255,832.74 and 121,776.84
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Solution
The fourth proportional to 185,352.84, 255,832.74 and 121,776.84 is: 168,082.14
Step by Step Solution
- Step 1: Write the proportion equation
185,352.84 : 255,832.74 = 121,776.84 : x - Step 2: Convert to fraction form
185,352.84/255,832.74 = 121,776.84/x - Step 3: Cross multiply
185,352.84x = 255,832.74 × 121,776.84 - Step 4: Simplify right side
185,352.84x = 31,154,502,645.74 - Step 5: Solve for x
x = 31,154,502,645.74/185,352.84 - Step 6: Final answer
x = 168,082.14
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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.