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Finding the Fourth Proportional to 450,478.35, 621,633.33 and 246,488.58

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Solution

The fourth proportional to 450,478.35, 621,633.33 and 246,488.58 is: 340,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,478.35 : 621,633.33 = 246,488.58 : x
  2. Step 2: Convert to fraction form
    450,478.35/621,633.33 = 246,488.58/x
  3. Step 3: Cross multiply
    450,478.35x = 621,633.33 × 246,488.58
  4. Step 4: Simplify right side
    450,478.35x = 153,225,516,792.37
  5. Step 5: Solve for x
    x = 153,225,516,792.37/450,478.35
  6. Step 6: Final answer
    x = 340,139.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.