Home / 289,325.10-433,987.65-102,312.30

Finding the Fourth Proportional to 289,325.10, 433,987.65 and 102,312.30

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Solution

The fourth proportional to 289,325.10, 433,987.65 and 102,312.30 is: 153,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,325.10 : 433,987.65 = 102,312.30 : x
  2. Step 2: Convert to fraction form
    289,325.10/433,987.65 = 102,312.30/x
  3. Step 3: Cross multiply
    289,325.10x = 433,987.65 × 102,312.30
  4. Step 4: Simplify right side
    289,325.10x = 44,402,274,643.10
  5. Step 5: Solve for x
    x = 44,402,274,643.10/289,325.10
  6. Step 6: Final answer
    x = 153,468.45

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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.