Home / 284,341.07-392,477.55-175,478.69

Finding the Fourth Proportional to 284,341.07, 392,477.55 and 175,478.69

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Solution

The fourth proportional to 284,341.07, 392,477.55 and 175,478.69 is: 242,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,341.07 : 392,477.55 = 175,478.69 : x
  2. Step 2: Convert to fraction form
    284,341.07/392,477.55 = 175,478.69/x
  3. Step 3: Cross multiply
    284,341.07x = 392,477.55 × 175,478.69
  4. Step 4: Simplify right side
    284,341.07x = 68,871,446,328.41
  5. Step 5: Solve for x
    x = 68,871,446,328.41/284,341.07
  6. Step 6: Final answer
    x = 242,214.21

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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.