Home / 288,210.07-432,314.16-77,848.08

Finding the Fourth Proportional to 288,210.07, 432,314.16 and 77,848.08

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Solution

The fourth proportional to 288,210.07, 432,314.16 and 77,848.08 is: 116,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,210.07 : 432,314.16 = 77,848.08 : x
  2. Step 2: Convert to fraction form
    288,210.07/432,314.16 = 77,848.08/x
  3. Step 3: Cross multiply
    288,210.07x = 432,314.16 × 77,848.08
  4. Step 4: Simplify right side
    288,210.07x = 33,654,827,312.81
  5. Step 5: Solve for x
    x = 33,654,827,312.81/288,210.07
  6. Step 6: Final answer
    x = 116,771.86

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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.