Home / 219,119.33-328,728.23-69,368.60

Finding the Fourth Proportional to 219,119.33, 328,728.23 and 69,368.60

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Solution

The fourth proportional to 219,119.33, 328,728.23 and 69,368.60 is: 104,068.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,119.33 : 328,728.23 = 69,368.60 : x
  2. Step 2: Convert to fraction form
    219,119.33/328,728.23 = 69,368.60/x
  3. Step 3: Cross multiply
    219,119.33x = 328,728.23 × 69,368.60
  4. Step 4: Simplify right side
    219,119.33x = 22,803,417,095.58
  5. Step 5: Solve for x
    x = 22,803,417,095.58/219,119.33
  6. Step 6: Final answer
    x = 104,068.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.