Home / 388,920.56-583,466.45-119,050.83

Finding the Fourth Proportional to 388,920.56, 583,466.45 and 119,050.83

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Solution

The fourth proportional to 388,920.56, 583,466.45 and 119,050.83 is: 178,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,920.56 : 583,466.45 = 119,050.83 : x
  2. Step 2: Convert to fraction form
    388,920.56/583,466.45 = 119,050.83/x
  3. Step 3: Cross multiply
    388,920.56x = 583,466.45 × 119,050.83
  4. Step 4: Simplify right side
    388,920.56x = 69,462,164,554.40
  5. Step 5: Solve for x
    x = 69,462,164,554.40/388,920.56
  6. Step 6: Final answer
    x = 178,602.45

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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.