Finding the Fourth Proportional to 664,717.30, 996,881.55 and 238,203.70
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Solution
The fourth proportional to 664,717.30, 996,881.55 and 238,203.70 is: 357,235.89
Step by Step Solution
- Step 1: Write the proportion equation
664,717.30 : 996,881.55 = 238,203.70 : x - Step 2: Convert to fraction form
664,717.30/996,881.55 = 238,203.70/x - Step 3: Cross multiply
664,717.30x = 996,881.55 × 238,203.70 - Step 4: Simplify right side
664,717.30x = 237,460,873,671.74 - Step 5: Solve for x
x = 237,460,873,671.74/664,717.30 - Step 6: Final answer
x = 357,235.89
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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.