Home / 318,488.04-477,835.74-152,289

Finding the Fourth Proportional to 318,488.04, 477,835.74 and 152,289

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Solution

The fourth proportional to 318,488.04, 477,835.74 and 152,289 is: 228,483.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,488.04 : 477,835.74 = 152,289 : x
  2. Step 2: Convert to fraction form
    318,488.04/477,835.74 = 152,289/x
  3. Step 3: Cross multiply
    318,488.04x = 477,835.74 × 152,289
  4. Step 4: Simplify right side
    318,488.04x = 72,769,127,008.86
  5. Step 5: Solve for x
    x = 72,769,127,008.86/318,488.04
  6. Step 6: Final answer
    x = 228,483.08

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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.