Finding the Fourth Proportional to 299,317.16, 413,058.91 and 163,353.98
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Solution
The fourth proportional to 299,317.16, 413,058.91 and 163,353.98 is: 225,429.17
Step by Step Solution
- Step 1: Write the proportion equation
299,317.16 : 413,058.91 = 163,353.98 : x - Step 2: Convert to fraction form
299,317.16/413,058.91 = 163,353.98/x - Step 3: Cross multiply
299,317.16x = 413,058.91 × 163,353.98 - Step 4: Simplify right side
299,317.16x = 67,474,817,547.22 - Step 5: Solve for x
x = 67,474,817,547.22/299,317.16 - Step 6: Final answer
x = 225,429.17
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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.