Finding the Fourth Proportional to 532,918.30, 735,405.33 and 291,209.08
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Solution
The fourth proportional to 532,918.30, 735,405.33 and 291,209.08 is: 401,856.55
Step by Step Solution
- Step 1: Write the proportion equation
532,918.30 : 735,405.33 = 291,209.08 : x - Step 2: Convert to fraction form
532,918.30/735,405.33 = 291,209.08/x - Step 3: Cross multiply
532,918.30x = 735,405.33 × 291,209.08 - Step 4: Simplify right side
532,918.30x = 214,156,709,576.40 - Step 5: Solve for x
x = 214,156,709,576.40/532,918.30 - Step 6: Final answer
x = 401,856.55
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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.