Home / 219,297.32-302,598.08-122,489.25

Finding the Fourth Proportional to 219,297.32, 302,598.08 and 122,489.25

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Solution

The fourth proportional to 219,297.32, 302,598.08 and 122,489.25 is: 169,017.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,297.32 : 302,598.08 = 122,489.25 : x
  2. Step 2: Convert to fraction form
    219,297.32/302,598.08 = 122,489.25/x
  3. Step 3: Cross multiply
    219,297.32x = 302,598.08 × 122,489.25
  4. Step 4: Simplify right side
    219,297.32x = 37,065,011,870.64
  5. Step 5: Solve for x
    x = 37,065,011,870.64/219,297.32
  6. Step 6: Final answer
    x = 169,017.17

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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.