Home / 421,013.16-581,006.52-230,038.40

Finding the Fourth Proportional to 421,013.16, 581,006.52 and 230,038.40

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Solution

The fourth proportional to 421,013.16, 581,006.52 and 230,038.40 is: 317,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,013.16 : 581,006.52 = 230,038.40 : x
  2. Step 2: Convert to fraction form
    421,013.16/581,006.52 = 230,038.40/x
  3. Step 3: Cross multiply
    421,013.16x = 581,006.52 × 230,038.40
  4. Step 4: Simplify right side
    421,013.16x = 133,653,810,250.37
  5. Step 5: Solve for x
    x = 133,653,810,250.37/421,013.16
  6. Step 6: Final answer
    x = 317,457.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.