Finding the Fourth Proportional to 474,030.74, 710,940.80 and 136,997.84
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Solution
The fourth proportional to 474,030.74, 710,940.80 and 136,997.84 is: 205,466.32
Step by Step Solution
- Step 1: Write the proportion equation
474,030.74 : 710,940.80 = 136,997.84 : x - Step 2: Convert to fraction form
474,030.74/710,940.80 = 136,997.84/x - Step 3: Cross multiply
474,030.74x = 710,940.80 × 136,997.84 - Step 4: Simplify right side
474,030.74x = 97,397,353,967.87 - Step 5: Solve for x
x = 97,397,353,967.87/474,030.74 - Step 6: Final answer
x = 205,466.32
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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.