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Finding the Fourth Proportional to 357,435.06, 492,987.06 and 242,802.09

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Solution

The fourth proportional to 357,435.06, 492,987.06 and 242,802.09 is: 334,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,435.06 : 492,987.06 = 242,802.09 : x
  2. Step 2: Convert to fraction form
    357,435.06/492,987.06 = 242,802.09/x
  3. Step 3: Cross multiply
    357,435.06x = 492,987.06 × 242,802.09
  4. Step 4: Simplify right side
    357,435.06x = 119,698,288,510.96
  5. Step 5: Solve for x
    x = 119,698,288,510.96/357,435.06
  6. Step 6: Final answer
    x = 334,881.22

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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.