Finding the Fourth Proportional to 251,038.93, 346,433.70 and 136,317.01
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Solution
The fourth proportional to 251,038.93, 346,433.70 and 136,317.01 is: 188,117.46
Step by Step Solution
- Step 1: Write the proportion equation
251,038.93 : 346,433.70 = 136,317.01 : x - Step 2: Convert to fraction form
251,038.93/346,433.70 = 136,317.01/x - Step 3: Cross multiply
251,038.93x = 346,433.70 × 136,317.01 - Step 4: Simplify right side
251,038.93x = 47,224,806,147.24 - Step 5: Solve for x
x = 47,224,806,147.24/251,038.93 - Step 6: Final answer
x = 188,117.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.