Finding the Fourth Proportional to 432,697.29, 597,118.99 and 239,118.05
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Solution
The fourth proportional to 432,697.29, 597,118.99 and 239,118.05 is: 329,981.10
Step by Step Solution
- Step 1: Write the proportion equation
432,697.29 : 597,118.99 = 239,118.05 : x - Step 2: Convert to fraction form
432,697.29/597,118.99 = 239,118.05/x - Step 3: Cross multiply
432,697.29x = 597,118.99 × 239,118.05 - Step 4: Simplify right side
432,697.29x = 142,781,927,311.18 - Step 5: Solve for x
x = 142,781,927,311.18/432,697.29 - Step 6: Final answer
x = 329,981.10
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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.