Home / 389,248.18-537,162.58-219,482.34

Finding the Fourth Proportional to 389,248.18, 537,162.58 and 219,482.34

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Solution

The fourth proportional to 389,248.18, 537,162.58 and 219,482.34 is: 302,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,248.18 : 537,162.58 = 219,482.34 : x
  2. Step 2: Convert to fraction form
    389,248.18/537,162.58 = 219,482.34/x
  3. Step 3: Cross multiply
    389,248.18x = 537,162.58 × 219,482.34
  4. Step 4: Simplify right side
    389,248.18x = 117,897,700,018.84
  5. Step 5: Solve for x
    x = 117,897,700,018.84/389,248.18
  6. Step 6: Final answer
    x = 302,885.68

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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.