Home / 319,779.95-479,920.51-223,088.35

Finding the Fourth Proportional to 319,779.95, 479,920.51 and 223,088.35

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Solution

The fourth proportional to 319,779.95, 479,920.51 and 223,088.35 is: 334,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,779.95 : 479,920.51 = 223,088.35 : x
  2. Step 2: Convert to fraction form
    319,779.95/479,920.51 = 223,088.35/x
  3. Step 3: Cross multiply
    319,779.95x = 479,920.51 × 223,088.35
  4. Step 4: Simplify right side
    319,779.95x = 107,064,672,307.46
  5. Step 5: Solve for x
    x = 107,064,672,307.46/319,779.95
  6. Step 6: Final answer
    x = 334,807.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.