Home / 346,597.04-478,104.40-208,680.08

Finding the Fourth Proportional to 346,597.04, 478,104.40 and 208,680.08

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Solution

The fourth proportional to 346,597.04, 478,104.40 and 208,680.08 is: 287,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,597.04 : 478,104.40 = 208,680.08 : x
  2. Step 2: Convert to fraction form
    346,597.04/478,104.40 = 208,680.08/x
  3. Step 3: Cross multiply
    346,597.04x = 478,104.40 × 208,680.08
  4. Step 4: Simplify right side
    346,597.04x = 99,770,864,440.35
  5. Step 5: Solve for x
    x = 99,770,864,440.35/346,597.04
  6. Step 6: Final answer
    x = 287,858.39

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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.