Home / 389,810.25-537,938.19-210,962.25

Finding the Fourth Proportional to 389,810.25, 537,938.19 and 210,962.25

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Solution

The fourth proportional to 389,810.25, 537,938.19 and 210,962.25 is: 291,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,810.25 : 537,938.19 = 210,962.25 : x
  2. Step 2: Convert to fraction form
    389,810.25/537,938.19 = 210,962.25/x
  3. Step 3: Cross multiply
    389,810.25x = 537,938.19 × 210,962.25
  4. Step 4: Simplify right side
    389,810.25x = 113,484,650,923.33
  5. Step 5: Solve for x
    x = 113,484,650,923.33/389,810.25
  6. Step 6: Final answer
    x = 291,127.93

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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.