Home / 279,605.04-385,848.54-152,277.90

Finding the Fourth Proportional to 279,605.04, 385,848.54 and 152,277.90

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Solution

The fourth proportional to 279,605.04, 385,848.54 and 152,277.90 is: 210,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,605.04 : 385,848.54 = 152,277.90 : x
  2. Step 2: Convert to fraction form
    279,605.04/385,848.54 = 152,277.90/x
  3. Step 3: Cross multiply
    279,605.04x = 385,848.54 × 152,277.90
  4. Step 4: Simplify right side
    279,605.04x = 58,756,205,389.27
  5. Step 5: Solve for x
    x = 58,756,205,389.27/279,605.04
  6. Step 6: Final answer
    x = 210,140.01

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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.