Finding the Fourth Proportional to 646,478.08, 969,869.76 and 203,246.08
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Solution
The fourth proportional to 646,478.08, 969,869.76 and 203,246.08 is: 304,917.11
Step by Step Solution
- Step 1: Write the proportion equation
646,478.08 : 969,869.76 = 203,246.08 : x - Step 2: Convert to fraction form
646,478.08/969,869.76 = 203,246.08/x - Step 3: Cross multiply
646,478.08x = 969,869.76 × 203,246.08 - Step 4: Simplify right side
646,478.08x = 197,122,226,830.54 - Step 5: Solve for x
x = 197,122,226,830.54/646,478.08 - Step 6: Final answer
x = 304,917.11
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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.