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Finding the Fourth Proportional to 348,537.60, 521,510.40 and 255,225.60

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Solution

The fourth proportional to 348,537.60, 521,510.40 and 255,225.60 is: 381,889.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,537.60 : 521,510.40 = 255,225.60 : x
  2. Step 2: Convert to fraction form
    348,537.60/521,510.40 = 255,225.60/x
  3. Step 3: Cross multiply
    348,537.60x = 521,510.40 × 255,225.60
  4. Step 4: Simplify right side
    348,537.60x = 133,102,804,746.24
  5. Step 5: Solve for x
    x = 133,102,804,746.24/348,537.60
  6. Step 6: Final answer
    x = 381,889.37

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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.