Home / 289,037.20-433,547.70-131,265.40

Finding the Fourth Proportional to 289,037.20, 433,547.70 and 131,265.40

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Solution

The fourth proportional to 289,037.20, 433,547.70 and 131,265.40 is: 196,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,037.20 : 433,547.70 = 131,265.40 : x
  2. Step 2: Convert to fraction form
    289,037.20/433,547.70 = 131,265.40/x
  3. Step 3: Cross multiply
    289,037.20x = 433,547.70 × 131,265.40
  4. Step 4: Simplify right side
    289,037.20x = 56,909,812,259.58
  5. Step 5: Solve for x
    x = 56,909,812,259.58/289,037.20
  6. Step 6: Final answer
    x = 196,894.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.