Finding the Fourth Proportional to 343,587.28, 474,363.12 and 229,027.36
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Solution
The fourth proportional to 343,587.28, 474,363.12 and 229,027.36 is: 316,199.52
Step by Step Solution
- Step 1: Write the proportion equation
343,587.28 : 474,363.12 = 229,027.36 : x - Step 2: Convert to fraction form
343,587.28/474,363.12 = 229,027.36/x - Step 3: Cross multiply
343,587.28x = 474,363.12 × 229,027.36 - Step 4: Simplify right side
343,587.28x = 108,642,133,054.96 - Step 5: Solve for x
x = 108,642,133,054.96/343,587.28 - Step 6: Final answer
x = 316,199.52
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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.