Finding the Fourth Proportional to 165,697.74, 228,652.07 and 97,711.47
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Solution
The fourth proportional to 165,697.74, 228,652.07 and 97,711.47 is: 134,835.45
Step by Step Solution
- Step 1: Write the proportion equation
165,697.74 : 228,652.07 = 97,711.47 : x - Step 2: Convert to fraction form
165,697.74/228,652.07 = 97,711.47/x - Step 3: Cross multiply
165,697.74x = 228,652.07 × 97,711.47 - Step 4: Simplify right side
165,697.74x = 22,341,929,389.69 - Step 5: Solve for x
x = 22,341,929,389.69/165,697.74 - Step 6: Final answer
x = 134,835.45
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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.