Home / 429,051.20-592,008.48-245,348.08

Finding the Fourth Proportional to 429,051.20, 592,008.48 and 245,348.08

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Solution

The fourth proportional to 429,051.20, 592,008.48 and 245,348.08 is: 338,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,051.20 : 592,008.48 = 245,348.08 : x
  2. Step 2: Convert to fraction form
    429,051.20/592,008.48 = 245,348.08/x
  3. Step 3: Cross multiply
    429,051.20x = 592,008.48 × 245,348.08
  4. Step 4: Simplify right side
    429,051.20x = 145,248,143,911.72
  5. Step 5: Solve for x
    x = 145,248,143,911.72/429,051.20
  6. Step 6: Final answer
    x = 338,533.36

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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.