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Finding the Fourth Proportional to 553,254, 829,881.72 and 153,894.80

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Solution

The fourth proportional to 553,254, 829,881.72 and 153,894.80 is: 230,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,254 : 829,881.72 = 153,894.80 : x
  2. Step 2: Convert to fraction form
    553,254/829,881.72 = 153,894.80/x
  3. Step 3: Cross multiply
    553,254x = 829,881.72 × 153,894.80
  4. Step 4: Simplify right side
    553,254x = 127,714,481,323.06
  5. Step 5: Solve for x
    x = 127,714,481,323.06/553,254
  6. Step 6: Final answer
    x = 230,842.40

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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.