Finding the Fourth Proportional to 153,519.95, 211,849.08 and 84,595.84
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Solution
The fourth proportional to 153,519.95, 211,849.08 and 84,595.84 is: 116,737.60
Step by Step Solution
- Step 1: Write the proportion equation
153,519.95 : 211,849.08 = 84,595.84 : x - Step 2: Convert to fraction form
153,519.95/211,849.08 = 84,595.84/x - Step 3: Cross multiply
153,519.95x = 211,849.08 × 84,595.84 - Step 4: Simplify right side
153,519.95x = 17,921,550,875.83 - Step 5: Solve for x
x = 17,921,550,875.83/153,519.95 - Step 6: Final answer
x = 116,737.60
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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.