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Finding the Fourth Proportional to 219,459.34, 302,860.11 and 123,970.06

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Solution

The fourth proportional to 219,459.34, 302,860.11 and 123,970.06 is: 171,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,459.34 : 302,860.11 = 123,970.06 : x
  2. Step 2: Convert to fraction form
    219,459.34/302,860.11 = 123,970.06/x
  3. Step 3: Cross multiply
    219,459.34x = 302,860.11 × 123,970.06
  4. Step 4: Simplify right side
    219,459.34x = 37,545,586,008.31
  5. Step 5: Solve for x
    x = 37,545,586,008.31/219,459.34
  6. Step 6: Final answer
    x = 171,082.20

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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.