Finding the Fourth Proportional to 869,363.84, 1,303,905.88 and 238,130.08
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Solution
The fourth proportional to 869,363.84, 1,303,905.88 and 238,130.08 is: 357,156.81
Step by Step Solution
- Step 1: Write the proportion equation
869,363.84 : 1,303,905.88 = 238,130.08 : x - Step 2: Convert to fraction form
869,363.84/1,303,905.88 = 238,130.08/x - Step 3: Cross multiply
869,363.84x = 1,303,905.88 × 238,130.08 - Step 4: Simplify right side
869,363.84x = 310,499,211,516.87 - Step 5: Solve for x
x = 310,499,211,516.87/869,363.84 - Step 6: Final answer
x = 357,156.81
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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.