Home / 366,557.40-549,663.54-142,023

Finding the Fourth Proportional to 366,557.40, 549,663.54 and 142,023

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Solution

The fourth proportional to 366,557.40, 549,663.54 and 142,023 is: 212,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,557.40 : 549,663.54 = 142,023 : x
  2. Step 2: Convert to fraction form
    366,557.40/549,663.54 = 142,023/x
  3. Step 3: Cross multiply
    366,557.40x = 549,663.54 × 142,023
  4. Step 4: Simplify right side
    366,557.40x = 78,064,864,941.42
  5. Step 5: Solve for x
    x = 78,064,864,941.42/366,557.40
  6. Step 6: Final answer
    x = 212,967.64

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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.