Finding the Fourth Proportional to 249,924.38, 374,848.07 and 81,444.29
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Solution
The fourth proportional to 249,924.38, 374,848.07 and 81,444.29 is: 122,153.88
Step by Step Solution
- Step 1: Write the proportion equation
249,924.38 : 374,848.07 = 81,444.29 : x - Step 2: Convert to fraction form
249,924.38/374,848.07 = 81,444.29/x - Step 3: Cross multiply
249,924.38x = 374,848.07 × 81,444.29 - Step 4: Simplify right side
249,924.38x = 30,529,232,637.56 - Step 5: Solve for x
x = 30,529,232,637.56/249,924.38 - Step 6: Final answer
x = 122,153.88
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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.