Home / 209,027.29-288,461.45-118,402.07

Finding the Fourth Proportional to 209,027.29, 288,461.45 and 118,402.07

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Solution

The fourth proportional to 209,027.29, 288,461.45 and 118,402.07 is: 163,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,027.29 : 288,461.45 = 118,402.07 : x
  2. Step 2: Convert to fraction form
    209,027.29/288,461.45 = 118,402.07/x
  3. Step 3: Cross multiply
    209,027.29x = 288,461.45 × 118,402.07
  4. Step 4: Simplify right side
    209,027.29x = 34,154,431,352.89
  5. Step 5: Solve for x
    x = 34,154,431,352.89/209,027.29
  6. Step 6: Final answer
    x = 163,397.00

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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.