Home / 421,454.19-581,606.53-230,467.58

Finding the Fourth Proportional to 421,454.19, 581,606.53 and 230,467.58

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Solution

The fourth proportional to 421,454.19, 581,606.53 and 230,467.58 is: 318,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,454.19 : 581,606.53 = 230,467.58 : x
  2. Step 2: Convert to fraction form
    421,454.19/581,606.53 = 230,467.58/x
  3. Step 3: Cross multiply
    421,454.19x = 581,606.53 × 230,467.58
  4. Step 4: Simplify right side
    421,454.19x = 134,041,448,178.12
  5. Step 5: Solve for x
    x = 134,041,448,178.12/421,454.19
  6. Step 6: Final answer
    x = 318,045.12

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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.