Finding the Fourth Proportional to 493,358.70, 740,038.05 and 119,381.70
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Solution
The fourth proportional to 493,358.70, 740,038.05 and 119,381.70 is: 179,072.55
Step by Step Solution
- Step 1: Write the proportion equation
493,358.70 : 740,038.05 = 119,381.70 : x - Step 2: Convert to fraction form
493,358.70/740,038.05 = 119,381.70/x - Step 3: Cross multiply
493,358.70x = 740,038.05 × 119,381.70 - Step 4: Simplify right side
493,358.70x = 88,347,000,473.69 - Step 5: Solve for x
x = 88,347,000,473.69/493,358.70 - Step 6: Final answer
x = 179,072.55
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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.