Finding the Fourth Proportional to 307,730.21, 461,549.15 and 97,340.81
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Solution
The fourth proportional to 307,730.21, 461,549.15 and 97,340.81 is: 145,996.61
Step by Step Solution
- Step 1: Write the proportion equation
307,730.21 : 461,549.15 = 97,340.81 : x - Step 2: Convert to fraction form
307,730.21/461,549.15 = 97,340.81/x - Step 3: Cross multiply
307,730.21x = 461,549.15 × 97,340.81 - Step 4: Simplify right side
307,730.21x = 44,927,569,148.01 - Step 5: Solve for x
x = 44,927,569,148.01/307,730.21 - Step 6: Final answer
x = 145,996.61
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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.