Finding the Fourth Proportional to 189,070.08, 260,913.36 and 103,029.82
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Solution
The fourth proportional to 189,070.08, 260,913.36 and 103,029.82 is: 142,179.33
Step by Step Solution
- Step 1: Write the proportion equation
189,070.08 : 260,913.36 = 103,029.82 : x - Step 2: Convert to fraction form
189,070.08/260,913.36 = 103,029.82/x - Step 3: Cross multiply
189,070.08x = 260,913.36 × 103,029.82 - Step 4: Simplify right side
189,070.08x = 26,881,857,228.90 - Step 5: Solve for x
x = 26,881,857,228.90/189,070.08 - Step 6: Final answer
x = 142,179.33
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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.