Finding the Fourth Proportional to 199,959.98, 299,607.80 and 140,671.08
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Solution
The fourth proportional to 199,959.98, 299,607.80 and 140,671.08 is: 210,772.94
Step by Step Solution
- Step 1: Write the proportion equation
199,959.98 : 299,607.80 = 140,671.08 : x - Step 2: Convert to fraction form
199,959.98/299,607.80 = 140,671.08/x - Step 3: Cross multiply
199,959.98x = 299,607.80 × 140,671.08 - Step 4: Simplify right side
199,959.98x = 42,146,152,099.07 - Step 5: Solve for x
x = 42,146,152,099.07/199,959.98 - Step 6: Final answer
x = 210,772.94
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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.