Finding the Fourth Proportional to 219,184.84, 302,475.18 and 121,068.28
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Solution
The fourth proportional to 219,184.84, 302,475.18 and 121,068.28 is: 167,074.28
Step by Step Solution
- Step 1: Write the proportion equation
219,184.84 : 302,475.18 = 121,068.28 : x - Step 2: Convert to fraction form
219,184.84/302,475.18 = 121,068.28/x - Step 3: Cross multiply
219,184.84x = 302,475.18 × 121,068.28 - Step 4: Simplify right side
219,184.84x = 36,620,149,785.29 - Step 5: Solve for x
x = 36,620,149,785.29/219,184.84 - Step 6: Final answer
x = 167,074.28
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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.