Finding the Fourth Proportional to 474,166.98, 654,410.21 and 310,960.74
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Solution
The fourth proportional to 474,166.98, 654,410.21 and 310,960.74 is: 429,165.02
Step by Step Solution
- Step 1: Write the proportion equation
474,166.98 : 654,410.21 = 310,960.74 : x - Step 2: Convert to fraction form
474,166.98/654,410.21 = 310,960.74/x - Step 3: Cross multiply
474,166.98x = 654,410.21 × 310,960.74 - Step 4: Simplify right side
474,166.98x = 203,495,879,156.31 - Step 5: Solve for x
x = 203,495,879,156.31/474,166.98 - Step 6: Final answer
x = 429,165.02
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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.