Finding the Fourth Proportional to 423,089.80, 583,879.12 and 232,108.81
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Solution
The fourth proportional to 423,089.80, 583,879.12 and 232,108.81 is: 320,318.49
Step by Step Solution
- Step 1: Write the proportion equation
423,089.80 : 583,879.12 = 232,108.81 : x - Step 2: Convert to fraction form
423,089.80/583,879.12 = 232,108.81/x - Step 3: Cross multiply
423,089.80x = 583,879.12 × 232,108.81 - Step 4: Simplify right side
423,089.80x = 135,523,485,687.08 - Step 5: Solve for x
x = 135,523,485,687.08/423,089.80 - Step 6: Final answer
x = 320,318.49
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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.