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Finding the Fourth Proportional to 342,421.60, 514,246.80 and 249,032.80

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Solution

The fourth proportional to 342,421.60, 514,246.80 and 249,032.80 is: 373,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,421.60 : 514,246.80 = 249,032.80 : x
  2. Step 2: Convert to fraction form
    342,421.60/514,246.80 = 249,032.80/x
  3. Step 3: Cross multiply
    342,421.60x = 514,246.80 × 249,032.80
  4. Step 4: Simplify right side
    342,421.60x = 128,064,320,495.04
  5. Step 5: Solve for x
    x = 128,064,320,495.04/342,421.60
  6. Step 6: Final answer
    x = 373,996.03

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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.