Home / 380,368.20-524,924.51-210,602.32

Finding the Fourth Proportional to 380,368.20, 524,924.51 and 210,602.32

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Solution

The fourth proportional to 380,368.20, 524,924.51 and 210,602.32 is: 290,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,368.20 : 524,924.51 = 210,602.32 : x
  2. Step 2: Convert to fraction form
    380,368.20/524,924.51 = 210,602.32/x
  3. Step 3: Cross multiply
    380,368.20x = 524,924.51 × 210,602.32
  4. Step 4: Simplify right side
    380,368.20x = 110,550,318,577.85
  5. Step 5: Solve for x
    x = 110,550,318,577.85/380,368.20
  6. Step 6: Final answer
    x = 290,640.28

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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.