Finding the Fourth Proportional to 566,107.88, 781,235.05 and 307,986.28
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Solution
The fourth proportional to 566,107.88, 781,235.05 and 307,986.28 is: 425,024.43
Step by Step Solution
- Step 1: Write the proportion equation
566,107.88 : 781,235.05 = 307,986.28 : x - Step 2: Convert to fraction form
566,107.88/781,235.05 = 307,986.28/x - Step 3: Cross multiply
566,107.88x = 781,235.05 × 307,986.28 - Step 4: Simplify right side
566,107.88x = 240,609,677,625.08 - Step 5: Solve for x
x = 240,609,677,625.08/566,107.88 - Step 6: Final answer
x = 425,024.43
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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.