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Finding the Fourth Proportional to 417,152.02, 575,653.81 and 235,867.74

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Solution

The fourth proportional to 417,152.02, 575,653.81 and 235,867.74 is: 325,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,152.02 : 575,653.81 = 235,867.74 : x
  2. Step 2: Convert to fraction form
    417,152.02/575,653.81 = 235,867.74/x
  3. Step 3: Cross multiply
    417,152.02x = 575,653.81 × 235,867.74
  4. Step 4: Simplify right side
    417,152.02x = 135,778,164,756.12
  5. Step 5: Solve for x
    x = 135,778,164,756.12/417,152.02
  6. Step 6: Final answer
    x = 325,488.45

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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.