Finding the Fourth Proportional to 401,051.79, 553,398.80 and 239,848.02
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Solution
The fourth proportional to 401,051.79, 553,398.80 and 239,848.02 is: 330,958.77
Step by Step Solution
- Step 1: Write the proportion equation
401,051.79 : 553,398.80 = 239,848.02 : x - Step 2: Convert to fraction form
401,051.79/553,398.80 = 239,848.02/x - Step 3: Cross multiply
401,051.79x = 553,398.80 × 239,848.02 - Step 4: Simplify right side
401,051.79x = 132,731,605,251.14 - Step 5: Solve for x
x = 132,731,605,251.14/401,051.79 - Step 6: Final answer
x = 330,958.77
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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.