Home / 288,677.35-433,408.70-162,406.45

Finding the Fourth Proportional to 288,677.35, 433,408.70 and 162,406.45

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Solution

The fourth proportional to 288,677.35, 433,408.70 and 162,406.45 is: 243,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,677.35 : 433,408.70 = 162,406.45 : x
  2. Step 2: Convert to fraction form
    288,677.35/433,408.70 = 162,406.45/x
  3. Step 3: Cross multiply
    288,677.35x = 433,408.70 × 162,406.45
  4. Step 4: Simplify right side
    288,677.35x = 70,388,369,313.89
  5. Step 5: Solve for x
    x = 70,388,369,313.89/288,677.35
  6. Step 6: Final answer
    x = 243,830.59

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1.5x scale

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.