Finding the Fourth Proportional to 168,815.64, 232,985.68 and 97,209.62
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Solution
The fourth proportional to 168,815.64, 232,985.68 and 97,209.62 is: 134,160.84
Step by Step Solution
- Step 1: Write the proportion equation
168,815.64 : 232,985.68 = 97,209.62 : x - Step 2: Convert to fraction form
168,815.64/232,985.68 = 97,209.62/x - Step 3: Cross multiply
168,815.64x = 232,985.68 × 97,209.62 - Step 4: Simplify right side
168,815.64x = 22,648,447,767.27 - Step 5: Solve for x
x = 22,648,447,767.27/168,815.64 - Step 6: Final answer
x = 134,160.84
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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.