Home / 284,360.55-392,417.26-157,035.84

Finding the Fourth Proportional to 284,360.55, 392,417.26 and 157,035.84

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Solution

The fourth proportional to 284,360.55, 392,417.26 and 157,035.84 is: 216,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,360.55 : 392,417.26 = 157,035.84 : x
  2. Step 2: Convert to fraction form
    284,360.55/392,417.26 = 157,035.84/x
  3. Step 3: Cross multiply
    284,360.55x = 392,417.26 × 157,035.84
  4. Step 4: Simplify right side
    284,360.55x = 61,623,574,054.60
  5. Step 5: Solve for x
    x = 61,623,574,054.60/284,360.55
  6. Step 6: Final answer
    x = 216,709.29

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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.