Finding the Fourth Proportional to 135,354.65, 186,787.14 and 74,924.00
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Solution
The fourth proportional to 135,354.65, 186,787.14 and 74,924.00 is: 103,393.85
Step by Step Solution
- Step 1: Write the proportion equation
135,354.65 : 186,787.14 = 74,924.00 : x - Step 2: Convert to fraction form
135,354.65/186,787.14 = 74,924.00/x - Step 3: Cross multiply
135,354.65x = 186,787.14 × 74,924.00 - Step 4: Simplify right side
135,354.65x = 13,994,838,848.30 - Step 5: Solve for x
x = 13,994,838,848.30/135,354.65 - Step 6: Final answer
x = 103,393.85
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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.