Finding the Fourth Proportional to 948,170.51, 1,421,959.30 and 316,936.70
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Solution
The fourth proportional to 948,170.51, 1,421,959.30 and 316,936.70 is: 475,305.95
Step by Step Solution
- Step 1: Write the proportion equation
948,170.51 : 1,421,959.30 = 316,936.70 : x - Step 2: Convert to fraction form
948,170.51/1,421,959.30 = 316,936.70/x - Step 3: Cross multiply
948,170.51x = 1,421,959.30 × 316,936.70 - Step 4: Simplify right side
948,170.51x = 450,671,087,289.29 - Step 5: Solve for x
x = 450,671,087,289.29/948,170.51 - Step 6: Final answer
x = 475,305.95
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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.