Finding the Fourth Proportional to 340,347.96, 469,652.04 and 197,117.28
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Solution
The fourth proportional to 340,347.96, 469,652.04 and 197,117.28 is: 272,005.55
Step by Step Solution
- Step 1: Write the proportion equation
340,347.96 : 469,652.04 = 197,117.28 : x - Step 2: Convert to fraction form
340,347.96/469,652.04 = 197,117.28/x - Step 3: Cross multiply
340,347.96x = 469,652.04 × 197,117.28 - Step 4: Simplify right side
340,347.96x = 92,576,532,671.25 - Step 5: Solve for x
x = 92,576,532,671.25/340,347.96 - Step 6: Final answer
x = 272,005.55
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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.