Finding the Fourth Proportional to 375,506.01, 518,211.18 and 205,740.09
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Solution
The fourth proportional to 375,506.01, 518,211.18 and 205,740.09 is: 283,928.38
Step by Step Solution
- Step 1: Write the proportion equation
375,506.01 : 518,211.18 = 205,740.09 : x - Step 2: Convert to fraction form
375,506.01/518,211.18 = 205,740.09/x - Step 3: Cross multiply
375,506.01x = 518,211.18 × 205,740.09 - Step 4: Simplify right side
375,506.01x = 106,616,814,812.21 - Step 5: Solve for x
x = 106,616,814,812.21/375,506.01 - Step 6: Final answer
x = 283,928.38
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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.