Finding the Fourth Proportional to 631,115.10, 947,129.36 and 246,920.76
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Solution
The fourth proportional to 631,115.10, 947,129.36 and 246,920.76 is: 370,559.82
Step by Step Solution
- Step 1: Write the proportion equation
631,115.10 : 947,129.36 = 246,920.76 : x - Step 2: Convert to fraction form
631,115.10/947,129.36 = 246,920.76/x - Step 3: Cross multiply
631,115.10x = 947,129.36 × 246,920.76 - Step 4: Simplify right side
631,115.10x = 233,865,900,154.91 - Step 5: Solve for x
x = 233,865,900,154.91/631,115.10 - Step 6: Final answer
x = 370,559.82
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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.