Home / 380,340.18-524,904.66-210,574.31

Finding the Fourth Proportional to 380,340.18, 524,904.66 and 210,574.31

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Solution

The fourth proportional to 380,340.18, 524,904.66 and 210,574.31 is: 290,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,340.18 : 524,904.66 = 210,574.31 : x
  2. Step 2: Convert to fraction form
    380,340.18/524,904.66 = 210,574.31/x
  3. Step 3: Cross multiply
    380,340.18x = 524,904.66 × 210,574.31
  4. Step 4: Simplify right side
    380,340.18x = 110,531,433,970.76
  5. Step 5: Solve for x
    x = 110,531,433,970.76/380,340.18
  6. Step 6: Final answer
    x = 290,612.04

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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.