Home / 507,126.65-760,816.33-152,147.21

Finding the Fourth Proportional to 507,126.65, 760,816.33 and 152,147.21

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Solution

The fourth proportional to 507,126.65, 760,816.33 and 152,147.21 is: 228,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,126.65 : 760,816.33 = 152,147.21 : x
  2. Step 2: Convert to fraction form
    507,126.65/760,816.33 = 152,147.21/x
  3. Step 3: Cross multiply
    507,126.65x = 760,816.33 × 152,147.21
  4. Step 4: Simplify right side
    507,126.65x = 115,756,077,747.49
  5. Step 5: Solve for x
    x = 115,756,077,747.49/507,126.65
  6. Step 6: Final answer
    x = 228,258.72

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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.