Finding the Fourth Proportional to 646,554.18, 969,830.62 and 173,226.62
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Solution
The fourth proportional to 646,554.18, 969,830.62 and 173,226.62 is: 259,839.76
Step by Step Solution
- Step 1: Write the proportion equation
646,554.18 : 969,830.62 = 173,226.62 : x - Step 2: Convert to fraction form
646,554.18/969,830.62 = 173,226.62/x - Step 3: Cross multiply
646,554.18x = 969,830.62 × 173,226.62 - Step 4: Simplify right side
646,554.18x = 168,000,480,275.10 - Step 5: Solve for x
x = 168,000,480,275.10/646,554.18 - Step 6: Final answer
x = 259,839.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.