Home / 219,019.35-302,246.15-122,222.18

Finding the Fourth Proportional to 219,019.35, 302,246.15 and 122,222.18

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Solution

The fourth proportional to 219,019.35, 302,246.15 and 122,222.18 is: 168,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,019.35 : 302,246.15 = 122,222.18 : x
  2. Step 2: Convert to fraction form
    219,019.35/302,246.15 = 122,222.18/x
  3. Step 3: Cross multiply
    219,019.35x = 302,246.15 × 122,222.18
  4. Step 4: Simplify right side
    219,019.35x = 36,941,183,494.11
  5. Step 5: Solve for x
    x = 36,941,183,494.11/219,019.35
  6. Step 6: Final answer
    x = 168,666.30

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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.