Finding the Fourth Proportional to 687,482.08, 1,031,294.40 and 238,202.08
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Solution
The fourth proportional to 687,482.08, 1,031,294.40 and 238,202.08 is: 357,327.82
Step by Step Solution
- Step 1: Write the proportion equation
687,482.08 : 1,031,294.40 = 238,202.08 : x - Step 2: Convert to fraction form
687,482.08/1,031,294.40 = 238,202.08/x - Step 3: Cross multiply
687,482.08x = 1,031,294.40 × 238,202.08 - Step 4: Simplify right side
687,482.08x = 245,656,471,172.35 - Step 5: Solve for x
x = 245,656,471,172.35/687,482.08 - Step 6: Final answer
x = 357,327.82
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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.