Home / 487,038.02-672,114.95-272,181.67

Finding the Fourth Proportional to 487,038.02, 672,114.95 and 272,181.67

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Solution

The fourth proportional to 487,038.02, 672,114.95 and 272,181.67 is: 375,612.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,038.02 : 672,114.95 = 272,181.67 : x
  2. Step 2: Convert to fraction form
    487,038.02/672,114.95 = 272,181.67/x
  3. Step 3: Cross multiply
    487,038.02x = 672,114.95 × 272,181.67
  4. Step 4: Simplify right side
    487,038.02x = 182,937,367,502.45
  5. Step 5: Solve for x
    x = 182,937,367,502.45/487,038.02
  6. Step 6: Final answer
    x = 375,612.09

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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.