Home / 426,307.05-588,303.63-235,320.39

Finding the Fourth Proportional to 426,307.05, 588,303.63 and 235,320.39

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Solution

The fourth proportional to 426,307.05, 588,303.63 and 235,320.39 is: 324,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,307.05 : 588,303.63 = 235,320.39 : x
  2. Step 2: Convert to fraction form
    426,307.05/588,303.63 = 235,320.39/x
  3. Step 3: Cross multiply
    426,307.05x = 588,303.63 × 235,320.39
  4. Step 4: Simplify right side
    426,307.05x = 138,439,839,650.02
  5. Step 5: Solve for x
    x = 138,439,839,650.02/426,307.05
  6. Step 6: Final answer
    x = 324,742.08

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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.