Home / 369,457.08-509,614.38-256,238.52

Finding the Fourth Proportional to 369,457.08, 509,614.38 and 256,238.52

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Solution

The fourth proportional to 369,457.08, 509,614.38 and 256,238.52 is: 353,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,457.08 : 509,614.38 = 256,238.52 : x
  2. Step 2: Convert to fraction form
    369,457.08/509,614.38 = 256,238.52/x
  3. Step 3: Cross multiply
    369,457.08x = 509,614.38 × 256,238.52
  4. Step 4: Simplify right side
    369,457.08x = 130,582,834,501.92
  5. Step 5: Solve for x
    x = 130,582,834,501.92/369,457.08
  6. Step 6: Final answer
    x = 353,445.21

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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.