Home / 390,914.46-586,496.28-174,739.86

Finding the Fourth Proportional to 390,914.46, 586,496.28 and 174,739.86

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Solution

The fourth proportional to 390,914.46, 586,496.28 and 174,739.86 is: 262,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,914.46 : 586,496.28 = 174,739.86 : x
  2. Step 2: Convert to fraction form
    390,914.46/586,496.28 = 174,739.86/x
  3. Step 3: Cross multiply
    390,914.46x = 586,496.28 × 174,739.86
  4. Step 4: Simplify right side
    390,914.46x = 102,484,277,857.72
  5. Step 5: Solve for x
    x = 102,484,277,857.72/390,914.46
  6. Step 6: Final answer
    x = 262,165.48

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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.