Home / 287,744.02-397,337.48-180,498.40

Finding the Fourth Proportional to 287,744.02, 397,337.48 and 180,498.40

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Solution

The fourth proportional to 287,744.02, 397,337.48 and 180,498.40 is: 249,245.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,744.02 : 397,337.48 = 180,498.40 : x
  2. Step 2: Convert to fraction form
    287,744.02/397,337.48 = 180,498.40/x
  3. Step 3: Cross multiply
    287,744.02x = 397,337.48 × 180,498.40
  4. Step 4: Simplify right side
    287,744.02x = 71,718,779,400.03
  5. Step 5: Solve for x
    x = 71,718,779,400.03/287,744.02
  6. Step 6: Final answer
    x = 249,245.07

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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.