Finding the Fourth Proportional to 526,988.30, 790,364.21 and 242,405.53
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Solution
The fourth proportional to 526,988.30, 790,364.21 and 242,405.53 is: 363,553.90
Step by Step Solution
- Step 1: Write the proportion equation
526,988.30 : 790,364.21 = 242,405.53 : x - Step 2: Convert to fraction form
526,988.30/790,364.21 = 242,405.53/x - Step 3: Cross multiply
526,988.30x = 790,364.21 × 242,405.53 - Step 4: Simplify right side
526,988.30x = 191,588,652,030.14 - Step 5: Solve for x
x = 191,588,652,030.14/526,988.30 - Step 6: Final answer
x = 363,553.90
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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.