Finding the Fourth Proportional to 153,023.58, 211,202.77 and 97,797.58
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Solution
The fourth proportional to 153,023.58, 211,202.77 and 97,797.58 is: 134,979.98
Step by Step Solution
- Step 1: Write the proportion equation
153,023.58 : 211,202.77 = 97,797.58 : x - Step 2: Convert to fraction form
153,023.58/211,202.77 = 97,797.58/x - Step 3: Cross multiply
153,023.58x = 211,202.77 × 97,797.58 - Step 4: Simplify right side
153,023.58x = 20,655,119,795.30 - Step 5: Solve for x
x = 20,655,119,795.30/153,023.58 - Step 6: Final answer
x = 134,979.98
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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.