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Finding the Fourth Proportional to 245,145.60, 367,718.40 and 173,606.40

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Solution

The fourth proportional to 245,145.60, 367,718.40 and 173,606.40 is: 260,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,145.60 : 367,718.40 = 173,606.40 : x
  2. Step 2: Convert to fraction form
    245,145.60/367,718.40 = 173,606.40/x
  3. Step 3: Cross multiply
    245,145.60x = 367,718.40 × 173,606.40
  4. Step 4: Simplify right side
    245,145.60x = 63,838,267,637.76
  5. Step 5: Solve for x
    x = 63,838,267,637.76/245,145.60
  6. Step 6: Final answer
    x = 260,409.60

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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.