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Finding the Fourth Proportional to 369,710.12, 510,223.59 and 208,506.35

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Solution

The fourth proportional to 369,710.12, 510,223.59 and 208,506.35 is: 287,752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,710.12 : 510,223.59 = 208,506.35 : x
  2. Step 2: Convert to fraction form
    369,710.12/510,223.59 = 208,506.35/x
  3. Step 3: Cross multiply
    369,710.12x = 510,223.59 × 208,506.35
  4. Step 4: Simplify right side
    369,710.12x = 106,384,855,883.68
  5. Step 5: Solve for x
    x = 106,384,855,883.68/369,710.12
  6. Step 6: Final answer
    x = 287,752.08

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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.