Finding the Fourth Proportional to 869,362.84, 1,303,904.38 and 238,129.08
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Solution
The fourth proportional to 869,362.84, 1,303,904.38 and 238,129.08 is: 357,155.31
Step by Step Solution
- Step 1: Write the proportion equation
869,362.84 : 1,303,904.38 = 238,129.08 : x - Step 2: Convert to fraction form
869,362.84/1,303,904.38 = 238,129.08/x - Step 3: Cross multiply
869,362.84x = 1,303,904.38 × 238,129.08 - Step 4: Simplify right side
869,362.84x = 310,497,550,417.37 - Step 5: Solve for x
x = 310,497,550,417.37/869,362.84 - Step 6: Final answer
x = 357,155.31
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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.