Finding the Fourth Proportional to 369,480.66, 509,888.98 and 216,482.23
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Solution
The fourth proportional to 369,480.66, 509,888.98 and 216,482.23 is: 298,748.80
Step by Step Solution
- Step 1: Write the proportion equation
369,480.66 : 509,888.98 = 216,482.23 : x - Step 2: Convert to fraction form
369,480.66/509,888.98 = 216,482.23/x - Step 3: Cross multiply
369,480.66x = 509,888.98 × 216,482.23 - Step 4: Simplify right side
369,480.66x = 110,381,903,442.83 - Step 5: Solve for x
x = 110,381,903,442.83/369,480.66 - Step 6: Final answer
x = 298,748.80
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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.