Finding the Fourth Proportional to 369,742.08, 554,613.09 and 120,424.08
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Solution
The fourth proportional to 369,742.08, 554,613.09 and 120,424.08 is: 180,636.11
Step by Step Solution
- Step 1: Write the proportion equation
369,742.08 : 554,613.09 = 120,424.08 : x - Step 2: Convert to fraction form
369,742.08/554,613.09 = 120,424.08/x - Step 3: Cross multiply
369,742.08x = 554,613.09 × 120,424.08 - Step 4: Simplify right side
369,742.08x = 66,788,771,119.21 - Step 5: Solve for x
x = 66,788,771,119.21/369,742.08 - Step 6: Final answer
x = 180,636.11
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1.5x scale
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.