Home / 402,444.04-603,786.78-162,434.46

Finding the Fourth Proportional to 402,444.04, 603,786.78 and 162,434.46

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Solution

The fourth proportional to 402,444.04, 603,786.78 and 162,434.46 is: 243,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,444.04 : 603,786.78 = 162,434.46 : x
  2. Step 2: Convert to fraction form
    402,444.04/603,786.78 = 162,434.46/x
  3. Step 3: Cross multiply
    402,444.04x = 603,786.78 × 162,434.46
  4. Step 4: Simplify right side
    402,444.04x = 98,075,779,564.44
  5. Step 5: Solve for x
    x = 98,075,779,564.44/402,444.04
  6. Step 6: Final answer
    x = 243,700.42

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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.