Home / 451,501.84-623,084.43-255,252.70

Finding the Fourth Proportional to 451,501.84, 623,084.43 and 255,252.70

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Solution

The fourth proportional to 451,501.84, 623,084.43 and 255,252.70 is: 352,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,501.84 : 623,084.43 = 255,252.70 : x
  2. Step 2: Convert to fraction form
    451,501.84/623,084.43 = 255,252.70/x
  3. Step 3: Cross multiply
    451,501.84x = 623,084.43 × 255,252.70
  4. Step 4: Simplify right side
    451,501.84x = 159,043,983,085.46
  5. Step 5: Solve for x
    x = 159,043,983,085.46/451,501.84
  6. Step 6: Final answer
    x = 352,255.45

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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.