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Finding the Fourth Proportional to 366,980.60, 549,814.80 and 300,058.40

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Solution

The fourth proportional to 366,980.60, 549,814.80 and 300,058.40 is: 449,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,980.60 : 549,814.80 = 300,058.40 : x
  2. Step 2: Convert to fraction form
    366,980.60/549,814.80 = 300,058.40/x
  3. Step 3: Cross multiply
    366,980.60x = 549,814.80 × 300,058.40
  4. Step 4: Simplify right side
    366,980.60x = 164,976,549,184.32
  5. Step 5: Solve for x
    x = 164,976,549,184.32/366,980.60
  6. Step 6: Final answer
    x = 449,551.15

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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.