Finding the Fourth Proportional to 219,895.88, 330,298.14 and 210,312.68
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Solution
The fourth proportional to 219,895.88, 330,298.14 and 210,312.68 is: 315,903.54
Step by Step Solution
- Step 1: Write the proportion equation
219,895.88 : 330,298.14 = 210,312.68 : x - Step 2: Convert to fraction form
219,895.88/330,298.14 = 210,312.68/x - Step 3: Cross multiply
219,895.88x = 330,298.14 × 210,312.68 - Step 4: Simplify right side
219,895.88x = 69,465,887,022.42 - Step 5: Solve for x
x = 69,465,887,022.42/219,895.88 - Step 6: Final answer
x = 315,903.54
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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.