Finding the Fourth Proportional to 135,225.30, 186,598.36 and 74,794.65
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Solution
The fourth proportional to 135,225.30, 186,598.36 and 74,794.65 is: 103,209.67
Step by Step Solution
- Step 1: Write the proportion equation
135,225.30 : 186,598.36 = 74,794.65 : x - Step 2: Convert to fraction form
135,225.30/186,598.36 = 74,794.65/x - Step 3: Cross multiply
135,225.30x = 186,598.36 × 74,794.65 - Step 4: Simplify right side
135,225.30x = 13,956,559,026.77 - Step 5: Solve for x
x = 13,956,559,026.77/135,225.30 - Step 6: Final answer
x = 103,209.67
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1.5x scale
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.