Finding the Fourth Proportional to 458,784.05, 688,182.99 and 159,274.14
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Solution
The fourth proportional to 458,784.05, 688,182.99 and 159,274.14 is: 238,913.62
Step by Step Solution
- Step 1: Write the proportion equation
458,784.05 : 688,182.99 = 159,274.14 : x - Step 2: Convert to fraction form
458,784.05/688,182.99 = 159,274.14/x - Step 3: Cross multiply
458,784.05x = 688,182.99 × 159,274.14 - Step 4: Simplify right side
458,784.05x = 109,609,756,475.57 - Step 5: Solve for x
x = 109,609,756,475.57/458,784.05 - Step 6: Final answer
x = 238,913.62
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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.