Finding the Fourth Proportional to 165,729.36, 228,695.74 and 97,730.74
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Solution
The fourth proportional to 165,729.36, 228,695.74 and 97,730.74 is: 134,862.06
Step by Step Solution
- Step 1: Write the proportion equation
165,729.36 : 228,695.74 = 97,730.74 : x - Step 2: Convert to fraction form
165,729.36/228,695.74 = 97,730.74/x - Step 3: Cross multiply
165,729.36x = 228,695.74 × 97,730.74 - Step 4: Simplify right side
165,729.36x = 22,350,603,088.98 - Step 5: Solve for x
x = 22,350,603,088.98/165,729.36 - Step 6: Final answer
x = 134,862.06
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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.