Finding the Fourth Proportional to 413,298.36, 619,355.52 and 235,438.14
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Solution
The fourth proportional to 413,298.36, 619,355.52 and 235,438.14 is: 352,819.96
Step by Step Solution
- Step 1: Write the proportion equation
413,298.36 : 619,355.52 = 235,438.14 : x - Step 2: Convert to fraction form
413,298.36/619,355.52 = 235,438.14/x - Step 3: Cross multiply
413,298.36x = 619,355.52 × 235,438.14 - Step 4: Simplify right side
413,298.36x = 145,819,911,627.53 - Step 5: Solve for x
x = 145,819,911,627.53/413,298.36 - Step 6: Final answer
x = 352,819.96
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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.