Finding the Fourth Proportional to 239,130.36, 358,695.54 and 72,916.92
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Solution
The fourth proportional to 239,130.36, 358,695.54 and 72,916.92 is: 109,375.38
Step by Step Solution
- Step 1: Write the proportion equation
239,130.36 : 358,695.54 = 72,916.92 : x - Step 2: Convert to fraction form
239,130.36/358,695.54 = 72,916.92/x - Step 3: Cross multiply
239,130.36x = 358,695.54 × 72,916.92 - Step 4: Simplify right side
239,130.36x = 26,154,973,994.54 - Step 5: Solve for x
x = 26,154,973,994.54/239,130.36 - Step 6: Final answer
x = 109,375.38
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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.