Finding the Fourth Proportional to 307,719.90, 461,533.68 and 97,330.50
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Solution
The fourth proportional to 307,719.90, 461,533.68 and 97,330.50 is: 145,981.15
Step by Step Solution
- Step 1: Write the proportion equation
307,719.90 : 461,533.68 = 97,330.50 : x - Step 2: Convert to fraction form
307,719.90/461,533.68 = 97,330.50/x - Step 3: Cross multiply
307,719.90x = 461,533.68 × 97,330.50 - Step 4: Simplify right side
307,719.90x = 44,921,303,841.24 - Step 5: Solve for x
x = 44,921,303,841.24/307,719.90 - Step 6: Final answer
x = 145,981.15
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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.