Finding the Fourth Proportional to 319,038.75, 440,282.74 and 175,808.02
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Solution
The fourth proportional to 319,038.75, 440,282.74 and 175,808.02 is: 242,620.17
Step by Step Solution
- Step 1: Write the proportion equation
319,038.75 : 440,282.74 = 175,808.02 : x - Step 2: Convert to fraction form
319,038.75/440,282.74 = 175,808.02/x - Step 3: Cross multiply
319,038.75x = 440,282.74 × 175,808.02 - Step 4: Simplify right side
319,038.75x = 77,405,236,374.52 - Step 5: Solve for x
x = 77,405,236,374.52/319,038.75 - Step 6: Final answer
x = 242,620.17
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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.