Finding the Fourth Proportional to 464,690.98, 641,246.97 and 257,948.74
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Solution
The fourth proportional to 464,690.98, 641,246.97 and 257,948.74 is: 355,954.51
Step by Step Solution
- Step 1: Write the proportion equation
464,690.98 : 641,246.97 = 257,948.74 : x - Step 2: Convert to fraction form
464,690.98/641,246.97 = 257,948.74/x - Step 3: Cross multiply
464,690.98x = 641,246.97 × 257,948.74 - Step 4: Simplify right side
464,690.98x = 165,408,847,940.32 - Step 5: Solve for x
x = 165,408,847,940.32/464,690.98 - Step 6: Final answer
x = 355,954.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.