Finding the Fourth Proportional to 342,295.08, 472,210.05 and 221,475.75
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Solution
The fourth proportional to 342,295.08, 472,210.05 and 221,475.75 is: 305,534.85
Step by Step Solution
- Step 1: Write the proportion equation
342,295.08 : 472,210.05 = 221,475.75 : x - Step 2: Convert to fraction form
342,295.08/472,210.05 = 221,475.75/x - Step 3: Cross multiply
342,295.08x = 472,210.05 × 221,475.75 - Step 4: Simplify right side
342,295.08x = 104,583,074,981.29 - Step 5: Solve for x
x = 104,583,074,981.29/342,295.08 - Step 6: Final answer
x = 305,534.85
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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.