Finding the Fourth Proportional to 152,197.08, 210,038.16 and 84,212.94
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Solution
The fourth proportional to 152,197.08, 210,038.16 and 84,212.94 is: 116,217.28
Step by Step Solution
- Step 1: Write the proportion equation
152,197.08 : 210,038.16 = 84,212.94 : x - Step 2: Convert to fraction form
152,197.08/210,038.16 = 84,212.94/x - Step 3: Cross multiply
152,197.08x = 210,038.16 × 84,212.94 - Step 4: Simplify right side
152,197.08x = 17,687,930,965.79 - Step 5: Solve for x
x = 17,687,930,965.79/152,197.08 - Step 6: Final answer
x = 116,217.28
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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.