Finding the Fourth Proportional to 439,790.08, 606,967.55 and 246,271.48
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Solution
The fourth proportional to 439,790.08, 606,967.55 and 246,271.48 is: 339,886.70
Step by Step Solution
- Step 1: Write the proportion equation
439,790.08 : 606,967.55 = 246,271.48 : x - Step 2: Convert to fraction form
439,790.08/606,967.55 = 246,271.48/x - Step 3: Cross multiply
439,790.08x = 606,967.55 × 246,271.48 - Step 4: Simplify right side
439,790.08x = 149,478,797,301.34 - Step 5: Solve for x
x = 149,478,797,301.34/439,790.08 - Step 6: Final answer
x = 339,886.70
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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.