Finding the Fourth Proportional to 432,432.03, 648,121.60 and 306,108.07
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Solution
The fourth proportional to 432,432.03, 648,121.60 and 306,108.07 is: 458,789.45
Step by Step Solution
- Step 1: Write the proportion equation
432,432.03 : 648,121.60 = 306,108.07 : x - Step 2: Convert to fraction form
432,432.03/648,121.60 = 306,108.07/x - Step 3: Cross multiply
432,432.03x = 648,121.60 × 306,108.07 - Step 4: Simplify right side
432,432.03x = 198,395,252,101.31 - Step 5: Solve for x
x = 198,395,252,101.31/432,432.03 - Step 6: Final answer
x = 458,789.45
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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.