Home / 268,417.80-370,417.32-153,698.18

Finding the Fourth Proportional to 268,417.80, 370,417.32 and 153,698.18

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Solution

The fourth proportional to 268,417.80, 370,417.32 and 153,698.18 is: 212,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,417.80 : 370,417.32 = 153,698.18 : x
  2. Step 2: Convert to fraction form
    268,417.80/370,417.32 = 153,698.18/x
  3. Step 3: Cross multiply
    268,417.80x = 370,417.32 × 153,698.18
  4. Step 4: Simplify right side
    268,417.80x = 56,932,466,072.39
  5. Step 5: Solve for x
    x = 56,932,466,072.39/268,417.80
  6. Step 6: Final answer
    x = 212,103.91

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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.