Finding the Fourth Proportional to 355,885.84, 533,828.76 and 156,207.96
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Solution
The fourth proportional to 355,885.84, 533,828.76 and 156,207.96 is: 234,311.94
Step by Step Solution
- Step 1: Write the proportion equation
355,885.84 : 533,828.76 = 156,207.96 : x - Step 2: Convert to fraction form
355,885.84/533,828.76 = 156,207.96/x - Step 3: Cross multiply
355,885.84x = 533,828.76 × 156,207.96 - Step 4: Simplify right side
355,885.84x = 83,388,301,588.93 - Step 5: Solve for x
x = 83,388,301,588.93/355,885.84 - Step 6: Final answer
x = 234,311.94
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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.