Finding the Fourth Proportional to 172,214.10, 237,660.08 and 104,216.63
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Solution
The fourth proportional to 172,214.10, 237,660.08 and 104,216.63 is: 143,821.74
Step by Step Solution
- Step 1: Write the proportion equation
172,214.10 : 237,660.08 = 104,216.63 : x - Step 2: Convert to fraction form
172,214.10/237,660.08 = 104,216.63/x - Step 3: Cross multiply
172,214.10x = 237,660.08 × 104,216.63 - Step 4: Simplify right side
172,214.10x = 24,768,130,913.75 - Step 5: Solve for x
x = 24,768,130,913.75/172,214.10 - Step 6: Final answer
x = 143,821.74
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1.5x scale
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.