Finding the Fourth Proportional to 552,071.14, 761,805.21 and 310,298.02
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Solution
The fourth proportional to 552,071.14, 761,805.21 and 310,298.02 is: 428,181.50
Step by Step Solution
- Step 1: Write the proportion equation
552,071.14 : 761,805.21 = 310,298.02 : x - Step 2: Convert to fraction form
552,071.14/761,805.21 = 310,298.02/x - Step 3: Cross multiply
552,071.14x = 761,805.21 × 310,298.02 - Step 4: Simplify right side
552,071.14x = 236,386,648,288.68 - Step 5: Solve for x
x = 236,386,648,288.68/552,071.14 - Step 6: Final answer
x = 428,181.50
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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.