Finding the Fourth Proportional to 310,641.99, 465,279.99 and 256,722.87
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Solution
The fourth proportional to 310,641.99, 465,279.99 and 256,722.87 is: 384,519.86
Step by Step Solution
- Step 1: Write the proportion equation
310,641.99 : 465,279.99 = 256,722.87 : x - Step 2: Convert to fraction form
310,641.99/465,279.99 = 256,722.87/x - Step 3: Cross multiply
310,641.99x = 465,279.99 × 256,722.87 - Step 4: Simplify right side
310,641.99x = 119,448,014,386.37 - Step 5: Solve for x
x = 119,448,014,386.37/310,641.99 - Step 6: Final answer
x = 384,519.86
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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.