Finding the Fourth Proportional to 581,682.10, 872,542.62 and 160,922.74
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Solution
The fourth proportional to 581,682.10, 872,542.62 and 160,922.74 is: 241,389.50
Step by Step Solution
- Step 1: Write the proportion equation
581,682.10 : 872,542.62 = 160,922.74 : x - Step 2: Convert to fraction form
581,682.10/872,542.62 = 160,922.74/x - Step 3: Cross multiply
581,682.10x = 872,542.62 × 160,922.74 - Step 4: Simplify right side
581,682.10x = 140,411,949,177.18 - Step 5: Solve for x
x = 140,411,949,177.18/581,682.10 - Step 6: Final answer
x = 241,389.50
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1.5x scale
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.