Finding the Fourth Proportional to 527,290.78, 791,070.99 and 153,313.78
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Solution
The fourth proportional to 527,290.78, 791,070.99 and 153,313.78 is: 230,009.87
Step by Step Solution
- Step 1: Write the proportion equation
527,290.78 : 791,070.99 = 153,313.78 : x - Step 2: Convert to fraction form
527,290.78/791,070.99 = 153,313.78/x - Step 3: Cross multiply
527,290.78x = 791,070.99 × 153,313.78 - Step 4: Simplify right side
527,290.78x = 121,282,083,725.24 - Step 5: Solve for x
x = 121,282,083,725.24/527,290.78 - Step 6: Final answer
x = 230,009.87
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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.