Finding the Fourth Proportional to 291,948.48, 402,964.80 and 190,252.80
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Solution
The fourth proportional to 291,948.48, 402,964.80 and 190,252.80 is: 262,598.32
Step by Step Solution
- Step 1: Write the proportion equation
291,948.48 : 402,964.80 = 190,252.80 : x - Step 2: Convert to fraction form
291,948.48/402,964.80 = 190,252.80/x - Step 3: Cross multiply
291,948.48x = 402,964.80 × 190,252.80 - Step 4: Simplify right side
291,948.48x = 76,665,181,501.44 - Step 5: Solve for x
x = 76,665,181,501.44/291,948.48 - Step 6: Final answer
x = 262,598.32
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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.