Finding the Fourth Proportional to 305,506.60, 458,595.18 and 242,730.28
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Solution
The fourth proportional to 305,506.60, 458,595.18 and 242,730.28 is: 364,361.81
Step by Step Solution
- Step 1: Write the proportion equation
305,506.60 : 458,595.18 = 242,730.28 : x - Step 2: Convert to fraction form
305,506.60/458,595.18 = 242,730.28/x - Step 3: Cross multiply
305,506.60x = 458,595.18 × 242,730.28 - Step 4: Simplify right side
305,506.60x = 111,314,936,448.05 - Step 5: Solve for x
x = 111,314,936,448.05/305,506.60 - Step 6: Final answer
x = 364,361.81
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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.