Finding the Fourth Proportional to 471,991.04, 651,325.20 and 257,130.08
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Solution
The fourth proportional to 471,991.04, 651,325.20 and 257,130.08 is: 354,827.29
Step by Step Solution
- Step 1: Write the proportion equation
471,991.04 : 651,325.20 = 257,130.08 : x - Step 2: Convert to fraction form
471,991.04/651,325.20 = 257,130.08/x - Step 3: Cross multiply
471,991.04x = 651,325.20 × 257,130.08 - Step 4: Simplify right side
471,991.04x = 167,475,300,782.02 - Step 5: Solve for x
x = 167,475,300,782.02/471,991.04 - Step 6: Final answer
x = 354,827.29
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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.