Home / 435,667.60-653,533.80-155,148.40

Finding the Fourth Proportional to 435,667.60, 653,533.80 and 155,148.40

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Solution

The fourth proportional to 435,667.60, 653,533.80 and 155,148.40 is: 232,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,667.60 : 653,533.80 = 155,148.40 : x
  2. Step 2: Convert to fraction form
    435,667.60/653,533.80 = 155,148.40/x
  3. Step 3: Cross multiply
    435,667.60x = 653,533.80 × 155,148.40
  4. Step 4: Simplify right side
    435,667.60x = 101,394,723,415.92
  5. Step 5: Solve for x
    x = 101,394,723,415.92/435,667.60
  6. Step 6: Final answer
    x = 232,734.14

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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.