Finding the Fourth Proportional to 252,924.18, 349,024.95 and 138,206.76
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Solution
The fourth proportional to 252,924.18, 349,024.95 and 138,206.76 is: 190,719.63
Step by Step Solution
- Step 1: Write the proportion equation
252,924.18 : 349,024.95 = 138,206.76 : x - Step 2: Convert to fraction form
252,924.18/349,024.95 = 138,206.76/x - Step 3: Cross multiply
252,924.18x = 349,024.95 × 138,206.76 - Step 4: Simplify right side
252,924.18x = 48,237,606,189.82 - Step 5: Solve for x
x = 48,237,606,189.82/252,924.18 - Step 6: Final answer
x = 190,719.63
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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.