Finding the Fourth Proportional to 165,378.71, 228,239.57 and 97,417.08
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Solution
The fourth proportional to 165,378.71, 228,239.57 and 97,417.08 is: 134,445.55
Step by Step Solution
- Step 1: Write the proportion equation
165,378.71 : 228,239.57 = 97,417.08 : x - Step 2: Convert to fraction form
165,378.71/228,239.57 = 97,417.08/x - Step 3: Cross multiply
165,378.71x = 228,239.57 × 97,417.08 - Step 4: Simplify right side
165,378.71x = 22,234,432,693.40 - Step 5: Solve for x
x = 22,234,432,693.40/165,378.71 - Step 6: Final answer
x = 134,445.55
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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.