Finding the Fourth Proportional to 432,234.63, 648,352.08 and 116,691.30
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Solution
The fourth proportional to 432,234.63, 648,352.08 and 116,691.30 is: 175,036.99
Step by Step Solution
- Step 1: Write the proportion equation
432,234.63 : 648,352.08 = 116,691.30 : x - Step 2: Convert to fraction form
432,234.63/648,352.08 = 116,691.30/x - Step 3: Cross multiply
432,234.63x = 648,352.08 × 116,691.30 - Step 4: Simplify right side
432,234.63x = 75,657,047,072.90 - Step 5: Solve for x
x = 75,657,047,072.90/432,234.63 - Step 6: Final answer
x = 175,036.99
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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.