Home / 282,807.02-390,276.30-155,483.50

Finding the Fourth Proportional to 282,807.02, 390,276.30 and 155,483.50

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Solution

The fourth proportional to 282,807.02, 390,276.30 and 155,483.50 is: 214,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,807.02 : 390,276.30 = 155,483.50 : x
  2. Step 2: Convert to fraction form
    282,807.02/390,276.30 = 155,483.50/x
  3. Step 3: Cross multiply
    282,807.02x = 390,276.30 × 155,483.50
  4. Step 4: Simplify right side
    282,807.02x = 60,681,525,091.05
  5. Step 5: Solve for x
    x = 60,681,525,091.05/282,807.02
  6. Step 6: Final answer
    x = 214,568.67

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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.