Finding the Fourth Proportional to 474,153.02, 711,506.40 and 189,979.70
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Solution
The fourth proportional to 474,153.02, 711,506.40 and 189,979.70 is: 285,080.48
Step by Step Solution
- Step 1: Write the proportion equation
474,153.02 : 711,506.40 = 189,979.70 : x - Step 2: Convert to fraction form
474,153.02/711,506.40 = 189,979.70/x - Step 3: Cross multiply
474,153.02x = 711,506.40 × 189,979.70 - Step 4: Simplify right side
474,153.02x = 135,171,772,420.08 - Step 5: Solve for x
x = 135,171,772,420.08/474,153.02 - Step 6: Final answer
x = 285,080.48
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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.