Home / 380,945.18-571,362.68-266,746.52

Finding the Fourth Proportional to 380,945.18, 571,362.68 and 266,746.52

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Solution

The fourth proportional to 380,945.18, 571,362.68 and 266,746.52 is: 400,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,945.18 : 571,362.68 = 266,746.52 : x
  2. Step 2: Convert to fraction form
    380,945.18/571,362.68 = 266,746.52/x
  3. Step 3: Cross multiply
    380,945.18x = 571,362.68 × 266,746.52
  4. Step 4: Simplify right side
    380,945.18x = 152,409,006,547.87
  5. Step 5: Solve for x
    x = 152,409,006,547.87/380,945.18
  6. Step 6: Final answer
    x = 400,081.20

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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.