Finding the Fourth Proportional to 474,220.36, 654,438.18 and 259,356.52
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Solution
The fourth proportional to 474,220.36, 654,438.18 and 259,356.52 is: 357,919.70
Step by Step Solution
- Step 1: Write the proportion equation
474,220.36 : 654,438.18 = 259,356.52 : x - Step 2: Convert to fraction form
474,220.36/654,438.18 = 259,356.52/x - Step 3: Cross multiply
474,220.36x = 654,438.18 × 259,356.52 - Step 4: Simplify right side
474,220.36x = 169,732,808,919.93 - Step 5: Solve for x
x = 169,732,808,919.93/474,220.36 - Step 6: Final answer
x = 357,919.70
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1.5x scale
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.