Home / 429,314.67-592,431.09-238,315.77

Finding the Fourth Proportional to 429,314.67, 592,431.09 and 238,315.77

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Solution

The fourth proportional to 429,314.67, 592,431.09 and 238,315.77 is: 328,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,314.67 : 592,431.09 = 238,315.77 : x
  2. Step 2: Convert to fraction form
    429,314.67/592,431.09 = 238,315.77/x
  3. Step 3: Cross multiply
    429,314.67x = 592,431.09 × 238,315.77
  4. Step 4: Simplify right side
    429,314.67x = 141,185,671,385.29
  5. Step 5: Solve for x
    x = 141,185,671,385.29/429,314.67
  6. Step 6: Final answer
    x = 328,862.91

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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.