Finding the Fourth Proportional to 228,929.24, 343,347.10 and 86,725.49
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Solution
The fourth proportional to 228,929.24, 343,347.10 and 86,725.49 is: 130,070.52
Step by Step Solution
- Step 1: Write the proportion equation
228,929.24 : 343,347.10 = 86,725.49 : x - Step 2: Convert to fraction form
228,929.24/343,347.10 = 86,725.49/x - Step 3: Cross multiply
228,929.24x = 343,347.10 × 86,725.49 - Step 4: Simplify right side
228,929.24x = 29,776,945,487.58 - Step 5: Solve for x
x = 29,776,945,487.58/228,929.24 - Step 6: Final answer
x = 130,070.52
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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.