Finding the Fourth Proportional to 528,361.07, 791,931.27 and 243,455.99
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Solution
The fourth proportional to 528,361.07, 791,931.27 and 243,455.99 is: 364,902.76
Step by Step Solution
- Step 1: Write the proportion equation
528,361.07 : 791,931.27 = 243,455.99 : x - Step 2: Convert to fraction form
528,361.07/791,931.27 = 243,455.99/x - Step 3: Cross multiply
528,361.07x = 791,931.27 × 243,455.99 - Step 4: Simplify right side
528,361.07x = 192,800,411,349.81 - Step 5: Solve for x
x = 192,800,411,349.81/528,361.07 - Step 6: Final answer
x = 364,902.76
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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.