Home / 282,005.10-423,007.65-240,014.70

Finding the Fourth Proportional to 282,005.10, 423,007.65 and 240,014.70

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Solution

The fourth proportional to 282,005.10, 423,007.65 and 240,014.70 is: 360,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,005.10 : 423,007.65 = 240,014.70 : x
  2. Step 2: Convert to fraction form
    282,005.10/423,007.65 = 240,014.70/x
  3. Step 3: Cross multiply
    282,005.10x = 423,007.65 × 240,014.70
  4. Step 4: Simplify right side
    282,005.10x = 101,528,054,212.46
  5. Step 5: Solve for x
    x = 101,528,054,212.46/282,005.10
  6. Step 6: Final answer
    x = 360,022.05

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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.