Home / 380,128.14-524,577.47-210,362.27

Finding the Fourth Proportional to 380,128.14, 524,577.47 and 210,362.27

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Solution

The fourth proportional to 380,128.14, 524,577.47 and 210,362.27 is: 290,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,128.14 : 524,577.47 = 210,362.27 : x
  2. Step 2: Convert to fraction form
    380,128.14/524,577.47 = 210,362.27/x
  3. Step 3: Cross multiply
    380,128.14x = 524,577.47 × 210,362.27
  4. Step 4: Simplify right side
    380,128.14x = 110,351,303,705.36
  5. Step 5: Solve for x
    x = 110,351,303,705.36/380,128.14
  6. Step 6: Final answer
    x = 290,300.28

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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.