Finding the Fourth Proportional to 319,637.16, 479,331.08 and 119,848.68
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Solution
The fourth proportional to 319,637.16, 479,331.08 and 119,848.68 is: 179,726.27
Step by Step Solution
- Step 1: Write the proportion equation
319,637.16 : 479,331.08 = 119,848.68 : x - Step 2: Convert to fraction form
319,637.16/479,331.08 = 119,848.68/x - Step 3: Cross multiply
319,637.16x = 479,331.08 × 119,848.68 - Step 4: Simplify right side
319,637.16x = 57,447,194,824.32 - Step 5: Solve for x
x = 57,447,194,824.32/319,637.16 - Step 6: Final answer
x = 179,726.27
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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.