Finding the Fourth Proportional to 310,642.74, 465,281.10 and 256,723.65
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Solution
The fourth proportional to 310,642.74, 465,281.10 and 256,723.65 is: 384,521.02
Step by Step Solution
- Step 1: Write the proportion equation
310,642.74 : 465,281.10 = 256,723.65 : x - Step 2: Convert to fraction form
310,642.74/465,281.10 = 256,723.65/x - Step 3: Cross multiply
310,642.74x = 465,281.10 × 256,723.65 - Step 4: Simplify right side
310,642.74x = 119,448,662,268.02 - Step 5: Solve for x
x = 119,448,662,268.02/310,642.74 - Step 6: Final answer
x = 384,521.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.