Home / 268,312.32-402,345.54-160,291.26

Finding the Fourth Proportional to 268,312.32, 402,345.54 and 160,291.26

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Solution

The fourth proportional to 268,312.32, 402,345.54 and 160,291.26 is: 240,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,312.32 : 402,345.54 = 160,291.26 : x
  2. Step 2: Convert to fraction form
    268,312.32/402,345.54 = 160,291.26/x
  3. Step 3: Cross multiply
    268,312.32x = 402,345.54 × 160,291.26
  4. Step 4: Simplify right side
    268,312.32x = 64,492,473,561.98
  5. Step 5: Solve for x
    x = 64,492,473,561.98/268,312.32
  6. Step 6: Final answer
    x = 240,363.44

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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.