Home / 338,210.40-466,730.16-187,307.28

Finding the Fourth Proportional to 338,210.40, 466,730.16 and 187,307.28

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Solution

The fourth proportional to 338,210.40, 466,730.16 and 187,307.28 is: 258,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,210.40 : 466,730.16 = 187,307.28 : x
  2. Step 2: Convert to fraction form
    338,210.40/466,730.16 = 187,307.28/x
  3. Step 3: Cross multiply
    338,210.40x = 466,730.16 × 187,307.28
  4. Step 4: Simplify right side
    338,210.40x = 87,421,956,763.56
  5. Step 5: Solve for x
    x = 87,421,956,763.56/338,210.40
  6. Step 6: Final answer
    x = 258,483.94

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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.