Finding the Fourth Proportional to 415,189.08, 572,962.68 and 233,903.18
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Solution
The fourth proportional to 415,189.08, 572,962.68 and 233,903.18 is: 322,787.38
Step by Step Solution
- Step 1: Write the proportion equation
415,189.08 : 572,962.68 = 233,903.18 : x - Step 2: Convert to fraction form
415,189.08/572,962.68 = 233,903.18/x - Step 3: Cross multiply
415,189.08x = 572,962.68 × 233,903.18 - Step 4: Simplify right side
415,189.08x = 134,017,794,305.73 - Step 5: Solve for x
x = 134,017,794,305.73/415,189.08 - Step 6: Final answer
x = 322,787.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.