Home / 355,416.49-533,272.83-155,880.16

Finding the Fourth Proportional to 355,416.49, 533,272.83 and 155,880.16

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Solution

The fourth proportional to 355,416.49, 533,272.83 and 155,880.16 is: 233,885.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,416.49 : 533,272.83 = 155,880.16 : x
  2. Step 2: Convert to fraction form
    355,416.49/533,272.83 = 155,880.16/x
  3. Step 3: Cross multiply
    355,416.49x = 533,272.83 × 155,880.16
  4. Step 4: Simplify right side
    355,416.49x = 83,126,654,064.05
  5. Step 5: Solve for x
    x = 83,126,654,064.05/355,416.49
  6. Step 6: Final answer
    x = 233,885.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.