Finding the Fourth Proportional to 299,368.22, 448,730.94 and 149,312.06
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Solution
The fourth proportional to 299,368.22, 448,730.94 and 149,312.06 is: 223,807.79
Step by Step Solution
- Step 1: Write the proportion equation
299,368.22 : 448,730.94 = 149,312.06 : x - Step 2: Convert to fraction form
299,368.22/448,730.94 = 149,312.06/x - Step 3: Cross multiply
299,368.22x = 448,730.94 × 149,312.06 - Step 4: Simplify right side
299,368.22x = 67,000,941,037.14 - Step 5: Solve for x
x = 67,000,941,037.14/299,368.22 - Step 6: Final answer
x = 223,807.79
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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.