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Finding the Fourth Proportional to 459,037.58, 633,431.54 and 255,075.58

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Solution

The fourth proportional to 459,037.58, 633,431.54 and 255,075.58 is: 351,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,037.58 : 633,431.54 = 255,075.58 : x
  2. Step 2: Convert to fraction form
    459,037.58/633,431.54 = 255,075.58/x
  3. Step 3: Cross multiply
    459,037.58x = 633,431.54 × 255,075.58
  4. Step 4: Simplify right side
    459,037.58x = 161,572,918,885.27
  5. Step 5: Solve for x
    x = 161,572,918,885.27/459,037.58
  6. Step 6: Final answer
    x = 351,981.90

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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.