Home / 448,547.02-672,950.40-133,011.52

Finding the Fourth Proportional to 448,547.02, 672,950.40 and 133,011.52

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Solution

The fourth proportional to 448,547.02, 672,950.40 and 133,011.52 is: 199,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,547.02 : 672,950.40 = 133,011.52 : x
  2. Step 2: Convert to fraction form
    448,547.02/672,950.40 = 133,011.52/x
  3. Step 3: Cross multiply
    448,547.02x = 672,950.40 × 133,011.52
  4. Step 4: Simplify right side
    448,547.02x = 89,510,155,588.61
  5. Step 5: Solve for x
    x = 89,510,155,588.61/448,547.02
  6. Step 6: Final answer
    x = 199,555.79

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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.