Finding the Fourth Proportional to 423,270.81, 584,130.56 and 232,291.08
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Solution
The fourth proportional to 423,270.81, 584,130.56 and 232,291.08 is: 320,570.93
Step by Step Solution
- Step 1: Write the proportion equation
423,270.81 : 584,130.56 = 232,291.08 : x - Step 2: Convert to fraction form
423,270.81/584,130.56 = 232,291.08/x - Step 3: Cross multiply
423,270.81x = 584,130.56 × 232,291.08 - Step 4: Simplify right side
423,270.81x = 135,688,317,481.95 - Step 5: Solve for x
x = 135,688,317,481.95/423,270.81 - Step 6: Final answer
x = 320,570.93
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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.