Finding the Fourth Proportional to 413,335.20, 619,720.93 and 210,432.63
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Solution
The fourth proportional to 413,335.20, 619,720.93 and 210,432.63 is: 315,505.44
Step by Step Solution
- Step 1: Write the proportion equation
413,335.20 : 619,720.93 = 210,432.63 : x - Step 2: Convert to fraction form
413,335.20/619,720.93 = 210,432.63/x - Step 3: Cross multiply
413,335.20x = 619,720.93 × 210,432.63 - Step 4: Simplify right side
413,335.20x = 130,409,506,569.26 - Step 5: Solve for x
x = 130,409,506,569.26/413,335.20 - Step 6: Final answer
x = 315,505.44
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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.