Home / 283,054.46-390,615.14-155,727.32

Finding the Fourth Proportional to 283,054.46, 390,615.14 and 155,727.32

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Solution

The fourth proportional to 283,054.46, 390,615.14 and 155,727.32 is: 214,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,054.46 : 390,615.14 = 155,727.32 : x
  2. Step 2: Convert to fraction form
    283,054.46/390,615.14 = 155,727.32/x
  3. Step 3: Cross multiply
    283,054.46x = 390,615.14 × 155,727.32
  4. Step 4: Simplify right side
    283,054.46x = 60,829,448,124.99
  5. Step 5: Solve for x
    x = 60,829,448,124.99/283,054.46
  6. Step 6: Final answer
    x = 214,903.69

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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.