Finding the Fourth Proportional to 211,681.84, 292,124.70 and 116,197.42
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Solution
The fourth proportional to 211,681.84, 292,124.70 and 116,197.42 is: 160,354.50
Step by Step Solution
- Step 1: Write the proportion equation
211,681.84 : 292,124.70 = 116,197.42 : x - Step 2: Convert to fraction form
211,681.84/292,124.70 = 116,197.42/x - Step 3: Cross multiply
211,681.84x = 292,124.70 × 116,197.42 - Step 4: Simplify right side
211,681.84x = 33,944,136,458.27 - Step 5: Solve for x
x = 33,944,136,458.27/211,681.84 - Step 6: Final answer
x = 160,354.50
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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.