Home / 284,368.42-392,427.90-163,533.04

Finding the Fourth Proportional to 284,368.42, 392,427.90 and 163,533.04

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Solution

The fourth proportional to 284,368.42, 392,427.90 and 163,533.04 is: 225,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,368.42 : 392,427.90 = 163,533.04 : x
  2. Step 2: Convert to fraction form
    284,368.42/392,427.90 = 163,533.04/x
  3. Step 3: Cross multiply
    284,368.42x = 392,427.90 × 163,533.04
  4. Step 4: Simplify right side
    284,368.42x = 64,174,927,467.82
  5. Step 5: Solve for x
    x = 64,174,927,467.82/284,368.42
  6. Step 6: Final answer
    x = 225,675.30

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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.