Home / 313,312.02-470,069.07-144,942.63

Finding the Fourth Proportional to 313,312.02, 470,069.07 and 144,942.63

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Solution

The fourth proportional to 313,312.02, 470,069.07 and 144,942.63 is: 217,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,312.02 : 470,069.07 = 144,942.63 : x
  2. Step 2: Convert to fraction form
    313,312.02/470,069.07 = 144,942.63/x
  3. Step 3: Cross multiply
    313,312.02x = 470,069.07 × 144,942.63
  4. Step 4: Simplify right side
    313,312.02x = 68,133,047,287.45
  5. Step 5: Solve for x
    x = 68,133,047,287.45/313,312.02
  6. Step 6: Final answer
    x = 217,460.69

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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.