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Finding the Fourth Proportional to 292,281.60, 437,547.60 and 260,788.80

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Solution

The fourth proportional to 292,281.60, 437,547.60 and 260,788.80 is: 390,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,281.60 : 437,547.60 = 260,788.80 : x
  2. Step 2: Convert to fraction form
    292,281.60/437,547.60 = 260,788.80/x
  3. Step 3: Cross multiply
    292,281.60x = 437,547.60 × 260,788.80
  4. Step 4: Simplify right side
    292,281.60x = 114,107,513,546.88
  5. Step 5: Solve for x
    x = 114,107,513,546.88/292,281.60
  6. Step 6: Final answer
    x = 390,402.66

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1.5x scale

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.