Finding the Fourth Proportional to 423,177.51, 583,983.16 and 232,186.80
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Solution
The fourth proportional to 423,177.51, 583,983.16 and 232,186.80 is: 320,416.79
Step by Step Solution
- Step 1: Write the proportion equation
423,177.51 : 583,983.16 = 232,186.80 : x - Step 2: Convert to fraction form
423,177.51/583,983.16 = 232,186.80/x - Step 3: Cross multiply
423,177.51x = 583,983.16 × 232,186.80 - Step 4: Simplify right side
423,177.51x = 135,593,181,174.29 - Step 5: Solve for x
x = 135,593,181,174.29/423,177.51 - Step 6: Final answer
x = 320,416.79
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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.