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Finding the Fourth Proportional to 369,775.95, 510,280.41 and 208,645.98

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Solution

The fourth proportional to 369,775.95, 510,280.41 and 208,645.98 is: 287,925.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,775.95 : 510,280.41 = 208,645.98 : x
  2. Step 2: Convert to fraction form
    369,775.95/510,280.41 = 208,645.98/x
  3. Step 3: Cross multiply
    369,775.95x = 510,280.41 × 208,645.98
  4. Step 4: Simplify right side
    369,775.95x = 106,467,956,219.25
  5. Step 5: Solve for x
    x = 106,467,956,219.25/369,775.95
  6. Step 6: Final answer
    x = 287,925.58

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1.5x scale

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.