Finding the Fourth Proportional to 339,128.06, 508,686.92 and 114,646.19
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Solution
The fourth proportional to 339,128.06, 508,686.92 and 114,646.19 is: 171,967.53
Step by Step Solution
- Step 1: Write the proportion equation
339,128.06 : 508,686.92 = 114,646.19 : x - Step 2: Convert to fraction form
339,128.06/508,686.92 = 114,646.19/x - Step 3: Cross multiply
339,128.06x = 508,686.92 × 114,646.19 - Step 4: Simplify right side
339,128.06x = 58,319,014,164.17 - Step 5: Solve for x
x = 58,319,014,164.17/339,128.06 - Step 6: Final answer
x = 171,967.53
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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.