Home / 345,962.16-477,416.88-202,817.52

Finding the Fourth Proportional to 345,962.16, 477,416.88 and 202,817.52

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Solution

The fourth proportional to 345,962.16, 477,416.88 and 202,817.52 is: 279,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,962.16 : 477,416.88 = 202,817.52 : x
  2. Step 2: Convert to fraction form
    345,962.16/477,416.88 = 202,817.52/x
  3. Step 3: Cross multiply
    345,962.16x = 477,416.88 × 202,817.52
  4. Step 4: Simplify right side
    345,962.16x = 96,828,507,607.74
  5. Step 5: Solve for x
    x = 96,828,507,607.74/345,962.16
  6. Step 6: Final answer
    x = 279,881.79

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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.