Finding the Fourth Proportional to 339,445.24, 509,167.80 and 86,726.23
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Solution
The fourth proportional to 339,445.24, 509,167.80 and 86,726.23 is: 130,089.33
Step by Step Solution
- Step 1: Write the proportion equation
339,445.24 : 509,167.80 = 86,726.23 : x - Step 2: Convert to fraction form
339,445.24/509,167.80 = 86,726.23/x - Step 3: Cross multiply
339,445.24x = 509,167.80 × 86,726.23 - Step 4: Simplify right side
339,445.24x = 44,158,202,458.47 - Step 5: Solve for x
x = 44,158,202,458.47/339,445.24 - Step 6: Final answer
x = 130,089.33
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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.