Finding the Fourth Proportional to 357,903.44, 493,916.18 and 196,762.53
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Solution
The fourth proportional to 357,903.44, 493,916.18 and 196,762.53 is: 271,537.48
Step by Step Solution
- Step 1: Write the proportion equation
357,903.44 : 493,916.18 = 196,762.53 : x - Step 2: Convert to fraction form
357,903.44/493,916.18 = 196,762.53/x - Step 3: Cross multiply
357,903.44x = 493,916.18 × 196,762.53 - Step 4: Simplify right side
357,903.44x = 97,184,197,184.74 - Step 5: Solve for x
x = 97,184,197,184.74/357,903.44 - Step 6: Final answer
x = 271,537.48
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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.