Finding the Fourth Proportional to 307,983.68, 461,992.08 and 97,638.02
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Solution
The fourth proportional to 307,983.68, 461,992.08 and 97,638.02 is: 146,462.28
Step by Step Solution
- Step 1: Write the proportion equation
307,983.68 : 461,992.08 = 97,638.02 : x - Step 2: Convert to fraction form
307,983.68/461,992.08 = 97,638.02/x - Step 3: Cross multiply
307,983.68x = 461,992.08 × 97,638.02 - Step 4: Simplify right side
307,983.68x = 45,107,991,946.88 - Step 5: Solve for x
x = 45,107,991,946.88/307,983.68 - Step 6: Final answer
x = 146,462.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.