Home / 388,640.23-536,457.74-227,547.02

Finding the Fourth Proportional to 388,640.23, 536,457.74 and 227,547.02

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Solution

The fourth proportional to 388,640.23, 536,457.74 and 227,547.02 is: 314,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,640.23 : 536,457.74 = 227,547.02 : x
  2. Step 2: Convert to fraction form
    388,640.23/536,457.74 = 227,547.02/x
  3. Step 3: Cross multiply
    388,640.23x = 536,457.74 × 227,547.02
  4. Step 4: Simplify right side
    388,640.23x = 122,069,360,296.34
  5. Step 5: Solve for x
    x = 122,069,360,296.34/388,640.23
  6. Step 6: Final answer
    x = 314,093.48

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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.