Finding the Fourth Proportional to 232,638.74, 349,089.88 and 99,507.14
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Solution
The fourth proportional to 232,638.74, 349,089.88 and 99,507.14 is: 149,317.07
Step by Step Solution
- Step 1: Write the proportion equation
232,638.74 : 349,089.88 = 99,507.14 : x - Step 2: Convert to fraction form
232,638.74/349,089.88 = 99,507.14/x - Step 3: Cross multiply
232,638.74x = 349,089.88 × 99,507.14 - Step 4: Simplify right side
232,638.74x = 34,736,935,561.74 - Step 5: Solve for x
x = 34,736,935,561.74/232,638.74 - Step 6: Final answer
x = 149,317.07
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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.