Finding the Fourth Proportional to 340,813.23, 470,349.38 and 187,878.63
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Solution
The fourth proportional to 340,813.23, 470,349.38 and 187,878.63 is: 259,287.46
Step by Step Solution
- Step 1: Write the proportion equation
340,813.23 : 470,349.38 = 187,878.63 : x - Step 2: Convert to fraction form
340,813.23/470,349.38 = 187,878.63/x - Step 3: Cross multiply
340,813.23x = 470,349.38 × 187,878.63 - Step 4: Simplify right side
340,813.23x = 88,368,596,196.36 - Step 5: Solve for x
x = 88,368,596,196.36/340,813.23 - Step 6: Final answer
x = 259,287.46
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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.