Finding the Fourth Proportional to 688,129.18, 1,032,193.86 and 214,855.08
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Solution
The fourth proportional to 688,129.18, 1,032,193.86 and 214,855.08 is: 322,282.65
Step by Step Solution
- Step 1: Write the proportion equation
688,129.18 : 1,032,193.86 = 214,855.08 : x - Step 2: Convert to fraction form
688,129.18/1,032,193.86 = 214,855.08/x - Step 3: Cross multiply
688,129.18x = 1,032,193.86 × 214,855.08 - Step 4: Simplify right side
688,129.18x = 221,772,094,365.81 - Step 5: Solve for x
x = 221,772,094,365.81/688,129.18 - Step 6: Final answer
x = 322,282.65
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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.