Home / 376,913.40-565,370.10-155,297.40

Finding the Fourth Proportional to 376,913.40, 565,370.10 and 155,297.40

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Solution

The fourth proportional to 376,913.40, 565,370.10 and 155,297.40 is: 232,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,913.40 : 565,370.10 = 155,297.40 : x
  2. Step 2: Convert to fraction form
    376,913.40/565,370.10 = 155,297.40/x
  3. Step 3: Cross multiply
    376,913.40x = 565,370.10 × 155,297.40
  4. Step 4: Simplify right side
    376,913.40x = 87,800,506,567.74
  5. Step 5: Solve for x
    x = 87,800,506,567.74/376,913.40
  6. Step 6: Final answer
    x = 232,946.10

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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.