Home / 472,429.02-708,938.78-191,946.27

Finding the Fourth Proportional to 472,429.02, 708,938.78 and 191,946.27

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Solution

The fourth proportional to 472,429.02, 708,938.78 and 191,946.27 is: 288,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,429.02 : 708,938.78 = 191,946.27 : x
  2. Step 2: Convert to fraction form
    472,429.02/708,938.78 = 191,946.27/x
  3. Step 3: Cross multiply
    472,429.02x = 708,938.78 × 191,946.27
  4. Step 4: Simplify right side
    472,429.02x = 136,078,153,519.62
  5. Step 5: Solve for x
    x = 136,078,153,519.62/472,429.02
  6. Step 6: Final answer
    x = 288,039.36

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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.