Home / 309,313.04-463,913.92-140,794.16

Finding the Fourth Proportional to 309,313.04, 463,913.92 and 140,794.16

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Solution

The fourth proportional to 309,313.04, 463,913.92 and 140,794.16 is: 211,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,313.04 : 463,913.92 = 140,794.16 : x
  2. Step 2: Convert to fraction form
    309,313.04/463,913.92 = 140,794.16/x
  3. Step 3: Cross multiply
    309,313.04x = 463,913.92 × 140,794.16
  4. Step 4: Simplify right side
    309,313.04x = 65,316,370,678.71
  5. Step 5: Solve for x
    x = 65,316,370,678.71/309,313.04
  6. Step 6: Final answer
    x = 211,165.91

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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.