Home / 389,364.41-537,437.80-228,254.33

Finding the Fourth Proportional to 389,364.41, 537,437.80 and 228,254.33

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Solution

The fourth proportional to 389,364.41, 537,437.80 and 228,254.33 is: 315,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,364.41 : 537,437.80 = 228,254.33 : x
  2. Step 2: Convert to fraction form
    389,364.41/537,437.80 = 228,254.33/x
  3. Step 3: Cross multiply
    389,364.41x = 537,437.80 × 228,254.33
  4. Step 4: Simplify right side
    389,364.41x = 122,672,506,584.59
  5. Step 5: Solve for x
    x = 122,672,506,584.59/389,364.41
  6. Step 6: Final answer
    x = 315,058.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.