Finding the Fourth Proportional to 313,677.13, 432,877.08 and 170,437.18
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Solution
The fourth proportional to 313,677.13, 432,877.08 and 170,437.18 is: 235,204.74
Step by Step Solution
- Step 1: Write the proportion equation
313,677.13 : 432,877.08 = 170,437.18 : x - Step 2: Convert to fraction form
313,677.13/432,877.08 = 170,437.18/x - Step 3: Cross multiply
313,677.13x = 432,877.08 × 170,437.18 - Step 4: Simplify right side
313,677.13x = 73,778,348,801.83 - Step 5: Solve for x
x = 73,778,348,801.83/313,677.13 - Step 6: Final answer
x = 235,204.74
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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.