Finding the Fourth Proportional to 286,526.16, 395,305.11 and 163,929.02
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Solution
The fourth proportional to 286,526.16, 395,305.11 and 163,929.02 is: 226,164.26
Step by Step Solution
- Step 1: Write the proportion equation
286,526.16 : 395,305.11 = 163,929.02 : x - Step 2: Convert to fraction form
286,526.16/395,305.11 = 163,929.02/x - Step 3: Cross multiply
286,526.16x = 395,305.11 × 163,929.02 - Step 4: Simplify right side
286,526.16x = 64,801,977,306.77 - Step 5: Solve for x
x = 64,801,977,306.77/286,526.16 - Step 6: Final answer
x = 226,164.26
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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.