Finding the Fourth Proportional to 472,014.68, 651,378.31 and 257,154.08
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Solution
The fourth proportional to 472,014.68, 651,378.31 and 257,154.08 is: 354,871.56
Step by Step Solution
- Step 1: Write the proportion equation
472,014.68 : 651,378.31 = 257,154.08 : x - Step 2: Convert to fraction form
472,014.68/651,378.31 = 257,154.08/x - Step 3: Cross multiply
472,014.68x = 651,378.31 × 257,154.08 - Step 4: Simplify right side
472,014.68x = 167,504,586,140.23 - Step 5: Solve for x
x = 167,504,586,140.23/472,014.68 - Step 6: Final answer
x = 354,871.56
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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.