Finding the Fourth Proportional to 292,135.36, 438,394.50 and 102,590.77
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Solution
The fourth proportional to 292,135.36, 438,394.50 and 102,590.77 is: 153,953.39
Step by Step Solution
- Step 1: Write the proportion equation
292,135.36 : 438,394.50 = 102,590.77 : x - Step 2: Convert to fraction form
292,135.36/438,394.50 = 102,590.77/x - Step 3: Cross multiply
292,135.36x = 438,394.50 × 102,590.77 - Step 4: Simplify right side
292,135.36x = 44,975,229,318.77 - Step 5: Solve for x
x = 44,975,229,318.77/292,135.36 - Step 6: Final answer
x = 153,953.39
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1.5x scale
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.