Finding the Fourth Proportional to 247,398.36, 370,848.48 and 97,744.80
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Solution
The fourth proportional to 247,398.36, 370,848.48 and 97,744.80 is: 146,518.80
Step by Step Solution
- Step 1: Write the proportion equation
247,398.36 : 370,848.48 = 97,744.80 : x - Step 2: Convert to fraction form
247,398.36/370,848.48 = 97,744.80/x - Step 3: Cross multiply
247,398.36x = 370,848.48 × 97,744.80 - Step 4: Simplify right side
247,398.36x = 36,248,510,507.90 - Step 5: Solve for x
x = 36,248,510,507.90/247,398.36 - Step 6: Final answer
x = 146,518.80
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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.