Finding the Fourth Proportional to 571,124.79, 856,762.65 and 211,246.65
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Solution
The fourth proportional to 571,124.79, 856,762.65 and 211,246.65 is: 316,897.89
Step by Step Solution
- Step 1: Write the proportion equation
571,124.79 : 856,762.65 = 211,246.65 : x - Step 2: Convert to fraction form
571,124.79/856,762.65 = 211,246.65/x - Step 3: Cross multiply
571,124.79x = 856,762.65 × 211,246.65 - Step 4: Simplify right side
571,124.79x = 180,988,239,657.62 - Step 5: Solve for x
x = 180,988,239,657.62/571,124.79 - Step 6: Final answer
x = 316,897.89
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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.