Home / 258,784.02-357,117.93-145,607.04

Finding the Fourth Proportional to 258,784.02, 357,117.93 and 145,607.04

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Solution

The fourth proportional to 258,784.02, 357,117.93 and 145,607.04 is: 200,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,784.02 : 357,117.93 = 145,607.04 : x
  2. Step 2: Convert to fraction form
    258,784.02/357,117.93 = 145,607.04/x
  3. Step 3: Cross multiply
    258,784.02x = 357,117.93 × 145,607.04
  4. Step 4: Simplify right side
    258,784.02x = 51,998,884,718.23
  5. Step 5: Solve for x
    x = 51,998,884,718.23/258,784.02
  6. Step 6: Final answer
    x = 200,935.45

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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.