Finding the Fourth Proportional to 368,728.14, 553,089.12 and 102,487.88
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Solution
The fourth proportional to 368,728.14, 553,089.12 and 102,487.88 is: 153,730.95
Step by Step Solution
- Step 1: Write the proportion equation
368,728.14 : 553,089.12 = 102,487.88 : x - Step 2: Convert to fraction form
368,728.14/553,089.12 = 102,487.88/x - Step 3: Cross multiply
368,728.14x = 553,089.12 × 102,487.88 - Step 4: Simplify right side
368,728.14x = 56,684,928,594.42 - Step 5: Solve for x
x = 56,684,928,594.42/368,728.14 - Step 6: Final answer
x = 153,730.95
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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.