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Finding the Fourth Proportional to 292,346.29, 403,437.95 and 158,210.29

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Solution

The fourth proportional to 292,346.29, 403,437.95 and 158,210.29 is: 218,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,346.29 : 403,437.95 = 158,210.29 : x
  2. Step 2: Convert to fraction form
    292,346.29/403,437.95 = 158,210.29/x
  3. Step 3: Cross multiply
    292,346.29x = 403,437.95 × 158,210.29
  4. Step 4: Simplify right side
    292,346.29x = 63,828,035,066.51
  5. Step 5: Solve for x
    x = 63,828,035,066.51/292,346.29
  6. Step 6: Final answer
    x = 218,330.24

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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.