Finding the Fourth Proportional to 226,346.04, 312,357.47 and 124,378.08
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Solution
The fourth proportional to 226,346.04, 312,357.47 and 124,378.08 is: 171,641.71
Step by Step Solution
- Step 1: Write the proportion equation
226,346.04 : 312,357.47 = 124,378.08 : x - Step 2: Convert to fraction form
226,346.04/312,357.47 = 124,378.08/x - Step 3: Cross multiply
226,346.04x = 312,357.47 × 124,378.08 - Step 4: Simplify right side
226,346.04x = 38,850,421,141.42 - Step 5: Solve for x
x = 38,850,421,141.42/226,346.04 - Step 6: Final answer
x = 171,641.71
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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.