Finding the Fourth Proportional to 632,398.36, 948,599.16 and 258,421.36
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Solution
The fourth proportional to 632,398.36, 948,599.16 and 258,421.36 is: 387,632.70
Step by Step Solution
- Step 1: Write the proportion equation
632,398.36 : 948,599.16 = 258,421.36 : x - Step 2: Convert to fraction form
632,398.36/948,599.16 = 258,421.36/x - Step 3: Cross multiply
632,398.36x = 948,599.16 × 258,421.36 - Step 4: Simplify right side
632,398.36x = 245,138,285,022.06 - Step 5: Solve for x
x = 245,138,285,022.06/632,398.36 - Step 6: Final answer
x = 387,632.70
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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.