Home / 401,770.08-602,421.84-152,316

Finding the Fourth Proportional to 401,770.08, 602,421.84 and 152,316

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Solution

The fourth proportional to 401,770.08, 602,421.84 and 152,316 is: 228,385.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,770.08 : 602,421.84 = 152,316 : x
  2. Step 2: Convert to fraction form
    401,770.08/602,421.84 = 152,316/x
  3. Step 3: Cross multiply
    401,770.08x = 602,421.84 × 152,316
  4. Step 4: Simplify right side
    401,770.08x = 91,758,484,981.44
  5. Step 5: Solve for x
    x = 91,758,484,981.44/401,770.08
  6. Step 6: Final answer
    x = 228,385.56

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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.