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Finding the Fourth Proportional to 375,430.02, 518,094.29 and 203,347.28

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Solution

The fourth proportional to 375,430.02, 518,094.29 and 203,347.28 is: 280,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,430.02 : 518,094.29 = 203,347.28 : x
  2. Step 2: Convert to fraction form
    375,430.02/518,094.29 = 203,347.28/x
  3. Step 3: Cross multiply
    375,430.02x = 518,094.29 × 203,347.28
  4. Step 4: Simplify right side
    375,430.02x = 105,353,066,458.64
  5. Step 5: Solve for x
    x = 105,353,066,458.64/375,430.02
  6. Step 6: Final answer
    x = 280,619.72

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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.