Finding the Fourth Proportional to 368,879.80, 553,319.70 and 333,887.80
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Solution
The fourth proportional to 368,879.80, 553,319.70 and 333,887.80 is: 500,831.70
Step by Step Solution
- Step 1: Write the proportion equation
368,879.80 : 553,319.70 = 333,887.80 : x - Step 2: Convert to fraction form
368,879.80/553,319.70 = 333,887.80/x - Step 3: Cross multiply
368,879.80x = 553,319.70 × 333,887.80 - Step 4: Simplify right side
368,879.80x = 184,746,697,329.66 - Step 5: Solve for x
x = 184,746,697,329.66/368,879.80 - Step 6: Final answer
x = 500,831.70
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1.5x scale
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.