Home / 389,801.32-537,925.82-210,953.32

Finding the Fourth Proportional to 389,801.32, 537,925.82 and 210,953.32

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Solution

The fourth proportional to 389,801.32, 537,925.82 and 210,953.32 is: 291,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,801.32 : 537,925.82 = 210,953.32 : x
  2. Step 2: Convert to fraction form
    389,801.32/537,925.82 = 210,953.32/x
  3. Step 3: Cross multiply
    389,801.32x = 537,925.82 × 210,953.32
  4. Step 4: Simplify right side
    389,801.32x = 113,477,237,642.72
  5. Step 5: Solve for x
    x = 113,477,237,642.72/389,801.32
  6. Step 6: Final answer
    x = 291,115.58

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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.