Finding the Fourth Proportional to 185,972.16, 256,622.40 and 110,506.08
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Solution
The fourth proportional to 185,972.16, 256,622.40 and 110,506.08 is: 152,486.99
Step by Step Solution
- Step 1: Write the proportion equation
185,972.16 : 256,622.40 = 110,506.08 : x - Step 2: Convert to fraction form
185,972.16/256,622.40 = 110,506.08/x - Step 3: Cross multiply
185,972.16x = 256,622.40 × 110,506.08 - Step 4: Simplify right side
185,972.16x = 28,358,335,464.19 - Step 5: Solve for x
x = 28,358,335,464.19/185,972.16 - Step 6: Final answer
x = 152,486.99
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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.