Home / 388,931.06-583,415.06-189,013.29

Finding the Fourth Proportional to 388,931.06, 583,415.06 and 189,013.29

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Solution

The fourth proportional to 388,931.06, 583,415.06 and 189,013.29 is: 283,528.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,931.06 : 583,415.06 = 189,013.29 : x
  2. Step 2: Convert to fraction form
    388,931.06/583,415.06 = 189,013.29/x
  3. Step 3: Cross multiply
    388,931.06x = 583,415.06 × 189,013.29
  4. Step 4: Simplify right side
    388,931.06x = 110,273,197,009.07
  5. Step 5: Solve for x
    x = 110,273,197,009.07/388,931.06
  6. Step 6: Final answer
    x = 283,528.91

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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.