Home / 264,440.12-364,890.64-155,549.40

Finding the Fourth Proportional to 264,440.12, 364,890.64 and 155,549.40

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Solution

The fourth proportional to 264,440.12, 364,890.64 and 155,549.40 is: 214,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,440.12 : 364,890.64 = 155,549.40 : x
  2. Step 2: Convert to fraction form
    264,440.12/364,890.64 = 155,549.40/x
  3. Step 3: Cross multiply
    264,440.12x = 364,890.64 × 155,549.40
  4. Step 4: Simplify right side
    264,440.12x = 56,758,520,117.62
  5. Step 5: Solve for x
    x = 56,758,520,117.62/264,440.12
  6. Step 6: Final answer
    x = 214,636.57

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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.