Home / 287,897.04-397,298.52-160,569.36

Finding the Fourth Proportional to 287,897.04, 397,298.52 and 160,569.36

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Solution

The fourth proportional to 287,897.04, 397,298.52 and 160,569.36 is: 221,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,897.04 : 397,298.52 = 160,569.36 : x
  2. Step 2: Convert to fraction form
    287,897.04/397,298.52 = 160,569.36/x
  3. Step 3: Cross multiply
    287,897.04x = 397,298.52 × 160,569.36
  4. Step 4: Simplify right side
    287,897.04x = 63,793,969,085.35
  5. Step 5: Solve for x
    x = 63,793,969,085.35/287,897.04
  6. Step 6: Final answer
    x = 221,586.05

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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.