Finding the Fourth Proportional to 211,178.34, 316,514.12 and 147,652.07
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Solution
The fourth proportional to 211,178.34, 316,514.12 and 147,652.07 is: 221,300.93
Step by Step Solution
- Step 1: Write the proportion equation
211,178.34 : 316,514.12 = 147,652.07 : x - Step 2: Convert to fraction form
211,178.34/316,514.12 = 147,652.07/x - Step 3: Cross multiply
211,178.34x = 316,514.12 × 147,652.07 - Step 4: Simplify right side
211,178.34x = 46,733,962,681.40 - Step 5: Solve for x
x = 46,733,962,681.40/211,178.34 - Step 6: Final answer
x = 221,300.93
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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.