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Finding the Fourth Proportional to 369,637.72, 510,088.60 and 208,490.44

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Solution

The fourth proportional to 369,637.72, 510,088.60 and 208,490.44 is: 287,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,637.72 : 510,088.60 = 208,490.44 : x
  2. Step 2: Convert to fraction form
    369,637.72/510,088.60 = 208,490.44/x
  3. Step 3: Cross multiply
    369,637.72x = 510,088.60 × 208,490.44
  4. Step 4: Simplify right side
    369,637.72x = 106,348,596,652.98
  5. Step 5: Solve for x
    x = 106,348,596,652.98/369,637.72
  6. Step 6: Final answer
    x = 287,710.35

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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.