Finding the Fourth Proportional to 454,317.81, 626,533.34 and 359,052.09
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Solution
The fourth proportional to 454,317.81, 626,533.34 and 359,052.09 is: 495,155.81
Step by Step Solution
- Step 1: Write the proportion equation
454,317.81 : 626,533.34 = 359,052.09 : x - Step 2: Convert to fraction form
454,317.81/626,533.34 = 359,052.09/x - Step 3: Cross multiply
454,317.81x = 626,533.34 × 359,052.09 - Step 4: Simplify right side
454,317.81x = 224,958,103,386.42 - Step 5: Solve for x
x = 224,958,103,386.42/454,317.81 - Step 6: Final answer
x = 495,155.81
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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.