Finding the Fourth Proportional to 302,576.10, 453,864.15 and 103,121.70
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Solution
The fourth proportional to 302,576.10, 453,864.15 and 103,121.70 is: 154,682.55
Step by Step Solution
- Step 1: Write the proportion equation
302,576.10 : 453,864.15 = 103,121.70 : x - Step 2: Convert to fraction form
302,576.10/453,864.15 = 103,121.70/x - Step 3: Cross multiply
302,576.10x = 453,864.15 × 103,121.70 - Step 4: Simplify right side
302,576.10x = 46,803,242,717.06 - Step 5: Solve for x
x = 46,803,242,717.06/302,576.10 - Step 6: Final answer
x = 154,682.55
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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.