Finding the Fourth Proportional to 668,206.26, 922,130.96 and 362,281.82
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Solution
The fourth proportional to 668,206.26, 922,130.96 and 362,281.82 is: 499,952.33
Step by Step Solution
- Step 1: Write the proportion equation
668,206.26 : 922,130.96 = 362,281.82 : x - Step 2: Convert to fraction form
668,206.26/922,130.96 = 362,281.82/x - Step 3: Cross multiply
668,206.26x = 922,130.96 × 362,281.82 - Step 4: Simplify right side
668,206.26x = 334,071,276,045.08 - Step 5: Solve for x
x = 334,071,276,045.08/668,206.26 - Step 6: Final answer
x = 499,952.33
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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.