Finding the Fourth Proportional to 307,639.02, 424,541.86 and 169,817.98
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Solution
The fourth proportional to 307,639.02, 424,541.86 and 169,817.98 is: 234,348.82
Step by Step Solution
- Step 1: Write the proportion equation
307,639.02 : 424,541.86 = 169,817.98 : x - Step 2: Convert to fraction form
307,639.02/424,541.86 = 169,817.98/x - Step 3: Cross multiply
307,639.02x = 424,541.86 × 169,817.98 - Step 4: Simplify right side
307,639.02x = 72,094,839,604.74 - Step 5: Solve for x
x = 72,094,839,604.74/307,639.02 - Step 6: Final answer
x = 234,348.82
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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.