Finding the Fourth Proportional to 462,861.54, 638,807.99 and 258,923.79
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Solution
The fourth proportional to 462,861.54, 638,807.99 and 258,923.79 is: 357,347.87
Step by Step Solution
- Step 1: Write the proportion equation
462,861.54 : 638,807.99 = 258,923.79 : x - Step 2: Convert to fraction form
462,861.54/638,807.99 = 258,923.79/x - Step 3: Cross multiply
462,861.54x = 638,807.99 × 258,923.79 - Step 4: Simplify right side
462,861.54x = 165,402,584,558.46 - Step 5: Solve for x
x = 165,402,584,558.46/462,861.54 - Step 6: Final answer
x = 357,347.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.