Finding the Fourth Proportional to 423,574.08, 584,542.44 and 229,990.02
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Solution
The fourth proportional to 423,574.08, 584,542.44 and 229,990.02 is: 317,391.77
Step by Step Solution
- Step 1: Write the proportion equation
423,574.08 : 584,542.44 = 229,990.02 : x - Step 2: Convert to fraction form
423,574.08/584,542.44 = 229,990.02/x - Step 3: Cross multiply
423,574.08x = 584,542.44 × 229,990.02 - Step 4: Simplify right side
423,574.08x = 134,438,927,466.45 - Step 5: Solve for x
x = 134,438,927,466.45/423,574.08 - Step 6: Final answer
x = 317,391.77
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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.