Finding the Fourth Proportional to 423,728.60, 584,749.68 and 230,140.08
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Solution
The fourth proportional to 423,728.60, 584,749.68 and 230,140.08 is: 317,595.60
Step by Step Solution
- Step 1: Write the proportion equation
423,728.60 : 584,749.68 = 230,140.08 : x - Step 2: Convert to fraction form
423,728.60/584,749.68 = 230,140.08/x - Step 3: Cross multiply
423,728.60x = 584,749.68 × 230,140.08 - Step 4: Simplify right side
423,728.60x = 134,574,338,135.17 - Step 5: Solve for x
x = 134,574,338,135.17/423,728.60 - Step 6: Final answer
x = 317,595.60
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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.