Home / 282,913.02-390,411.03-155,588.22

Finding the Fourth Proportional to 282,913.02, 390,411.03 and 155,588.22

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Solution

The fourth proportional to 282,913.02, 390,411.03 and 155,588.22 is: 214,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,913.02 : 390,411.03 = 155,588.22 : x
  2. Step 2: Convert to fraction form
    282,913.02/390,411.03 = 155,588.22/x
  3. Step 3: Cross multiply
    282,913.02x = 390,411.03 × 155,588.22
  4. Step 4: Simplify right side
    282,913.02x = 60,743,357,226.07
  5. Step 5: Solve for x
    x = 60,743,357,226.07/282,913.02
  6. Step 6: Final answer
    x = 214,706.83

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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.