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Finding the Fourth Proportional to 260,130.83, 358,980.42 and 152,700.87

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Solution

The fourth proportional to 260,130.83, 358,980.42 and 152,700.87 is: 210,727.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,130.83 : 358,980.42 = 152,700.87 : x
  2. Step 2: Convert to fraction form
    260,130.83/358,980.42 = 152,700.87/x
  3. Step 3: Cross multiply
    260,130.83x = 358,980.42 × 152,700.87
  4. Step 4: Simplify right side
    260,130.83x = 54,816,621,258.18
  5. Step 5: Solve for x
    x = 54,816,621,258.18/260,130.83
  6. Step 6: Final answer
    x = 210,727.12

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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.