Home / 364,349.36-546,612.96-139,705.76

Finding the Fourth Proportional to 364,349.36, 546,612.96 and 139,705.76

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Solution

The fourth proportional to 364,349.36, 546,612.96 and 139,705.76 is: 209,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,349.36 : 546,612.96 = 139,705.76 : x
  2. Step 2: Convert to fraction form
    364,349.36/546,612.96 = 139,705.76/x
  3. Step 3: Cross multiply
    364,349.36x = 546,612.96 × 139,705.76
  4. Step 4: Simplify right side
    364,349.36x = 76,364,979,002.65
  5. Step 5: Solve for x
    x = 76,364,979,002.65/364,349.36
  6. Step 6: Final answer
    x = 209,592.74

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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.