Finding the Fourth Proportional to 423,822.36, 584,885.68 and 232,840.56
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Solution
The fourth proportional to 423,822.36, 584,885.68 and 232,840.56 is: 321,325.92
Step by Step Solution
- Step 1: Write the proportion equation
423,822.36 : 584,885.68 = 232,840.56 : x - Step 2: Convert to fraction form
423,822.36/584,885.68 = 232,840.56/x - Step 3: Cross multiply
423,822.36x = 584,885.68 × 232,840.56 - Step 4: Simplify right side
423,822.36x = 136,185,109,267.18 - Step 5: Solve for x
x = 136,185,109,267.18/423,822.36 - Step 6: Final answer
x = 321,325.92
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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.