Finding the Fourth Proportional to 165,495.66, 228,389.12 and 93,878.70
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Solution
The fourth proportional to 165,495.66, 228,389.12 and 93,878.70 is: 129,555.50
Step by Step Solution
- Step 1: Write the proportion equation
165,495.66 : 228,389.12 = 93,878.70 : x - Step 2: Convert to fraction form
165,495.66/228,389.12 = 93,878.70/x - Step 3: Cross multiply
165,495.66x = 228,389.12 × 93,878.70 - Step 4: Simplify right side
165,495.66x = 21,440,873,679.74 - Step 5: Solve for x
x = 21,440,873,679.74/165,495.66 - Step 6: Final answer
x = 129,555.50
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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.