Finding the Fourth Proportional to 374,877.51, 517,329.40 and 202,795.05
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Solution
The fourth proportional to 374,877.51, 517,329.40 and 202,795.05 is: 279,856.32
Step by Step Solution
- Step 1: Write the proportion equation
374,877.51 : 517,329.40 = 202,795.05 : x - Step 2: Convert to fraction form
374,877.51/517,329.40 = 202,795.05/x - Step 3: Cross multiply
374,877.51x = 517,329.40 × 202,795.05 - Step 4: Simplify right side
374,877.51x = 104,911,840,525.50 - Step 5: Solve for x
x = 104,911,840,525.50/374,877.51 - Step 6: Final answer
x = 279,856.32
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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.