Home / 389,058.51-583,638.80-152,370.43

Finding the Fourth Proportional to 389,058.51, 583,638.80 and 152,370.43

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Solution

The fourth proportional to 389,058.51, 583,638.80 and 152,370.43 is: 228,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,058.51 : 583,638.80 = 152,370.43 : x
  2. Step 2: Convert to fraction form
    389,058.51/583,638.80 = 152,370.43/x
  3. Step 3: Cross multiply
    389,058.51x = 583,638.80 × 152,370.43
  4. Step 4: Simplify right side
    389,058.51x = 88,929,296,839.79
  5. Step 5: Solve for x
    x = 88,929,296,839.79/389,058.51
  6. Step 6: Final answer
    x = 228,575.64

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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.