Home / 389,442.24-537,430.08-210,594.24

Finding the Fourth Proportional to 389,442.24, 537,430.08 and 210,594.24

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Solution

The fourth proportional to 389,442.24, 537,430.08 and 210,594.24 is: 290,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,442.24 : 537,430.08 = 210,594.24 : x
  2. Step 2: Convert to fraction form
    389,442.24/537,430.08 = 210,594.24/x
  3. Step 3: Cross multiply
    389,442.24x = 537,430.08 × 210,594.24
  4. Step 4: Simplify right side
    389,442.24x = 113,179,679,250.74
  5. Step 5: Solve for x
    x = 113,179,679,250.74/389,442.24
  6. Step 6: Final answer
    x = 290,619.94

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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.