Finding the Fourth Proportional to 458,541.40, 687,931.58 and 174,237.08
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Solution
The fourth proportional to 458,541.40, 687,931.58 and 174,237.08 is: 261,401.02
Step by Step Solution
- Step 1: Write the proportion equation
458,541.40 : 687,931.58 = 174,237.08 : x - Step 2: Convert to fraction form
458,541.40/687,931.58 = 174,237.08/x - Step 3: Cross multiply
458,541.40x = 687,931.58 × 174,237.08 - Step 4: Simplify right side
458,541.40x = 119,863,189,738.99 - Step 5: Solve for x
x = 119,863,189,738.99/458,541.40 - Step 6: Final answer
x = 261,401.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.