Finding the Fourth Proportional to 165,408.04, 228,315.09 and 97,420.42
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Solution
The fourth proportional to 165,408.04, 228,315.09 and 97,420.42 is: 134,470.80
Step by Step Solution
- Step 1: Write the proportion equation
165,408.04 : 228,315.09 = 97,420.42 : x - Step 2: Convert to fraction form
165,408.04/228,315.09 = 97,420.42/x - Step 3: Cross multiply
165,408.04x = 228,315.09 × 97,420.42 - Step 4: Simplify right side
165,408.04x = 22,242,551,960.14 - Step 5: Solve for x
x = 22,242,551,960.14/165,408.04 - Step 6: Final answer
x = 134,470.80
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1.5x scale
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.