Finding the Fourth Proportional to 368,807.70, 553,211.55 and 368,807.70
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Solution
The fourth proportional to 368,807.70, 553,211.55 and 368,807.70 is: 553,211.55
Step by Step Solution
- Step 1: Write the proportion equation
368,807.70 : 553,211.55 = 368,807.70 : x - Step 2: Convert to fraction form
368,807.70/553,211.55 = 368,807.70/x - Step 3: Cross multiply
368,807.70x = 553,211.55 × 368,807.70 - Step 4: Simplify right side
368,807.70x = 204,028,679,368.94 - Step 5: Solve for x
x = 204,028,679,368.94/368,807.70 - Step 6: Final answer
x = 553,211.55
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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.