Home / 268,288.25-370,220.37-153,567.80

Finding the Fourth Proportional to 268,288.25, 370,220.37 and 153,567.80

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Solution

The fourth proportional to 268,288.25, 370,220.37 and 153,567.80 is: 211,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,288.25 : 370,220.37 = 153,567.80 : x
  2. Step 2: Convert to fraction form
    268,288.25/370,220.37 = 153,567.80/x
  3. Step 3: Cross multiply
    268,288.25x = 370,220.37 × 153,567.80
  4. Step 4: Simplify right side
    268,288.25x = 56,853,927,561.25
  5. Step 5: Solve for x
    x = 56,853,927,561.25/268,288.25
  6. Step 6: Final answer
    x = 211,913.59

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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.