Home / 309,260.23-463,980.26-129,430.51

Finding the Fourth Proportional to 309,260.23, 463,980.26 and 129,430.51

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Solution

The fourth proportional to 309,260.23, 463,980.26 and 129,430.51 is: 194,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,260.23 : 463,980.26 = 129,430.51 : x
  2. Step 2: Convert to fraction form
    309,260.23/463,980.26 = 129,430.51/x
  3. Step 3: Cross multiply
    309,260.23x = 463,980.26 × 129,430.51
  4. Step 4: Simplify right side
    309,260.23x = 60,053,201,681.73
  5. Step 5: Solve for x
    x = 60,053,201,681.73/309,260.23
  6. Step 6: Final answer
    x = 194,183.40

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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.