Finding the Fourth Proportional to 527,455.13, 791,313.91 and 153,478.13
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Solution
The fourth proportional to 527,455.13, 791,313.91 and 153,478.13 is: 230,255.37
Step by Step Solution
- Step 1: Write the proportion equation
527,455.13 : 791,313.91 = 153,478.13 : x - Step 2: Convert to fraction form
527,455.13/791,313.91 = 153,478.13/x - Step 3: Cross multiply
527,455.13x = 791,313.91 × 153,478.13 - Step 4: Simplify right side
527,455.13x = 121,449,374,809.52 - Step 5: Solve for x
x = 121,449,374,809.52/527,455.13 - Step 6: Final answer
x = 230,255.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.