Finding the Fourth Proportional to 254,587.70, 382,289.55 and 202,430.90
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Solution
The fourth proportional to 254,587.70, 382,289.55 and 202,430.90 is: 303,970.76
Step by Step Solution
- Step 1: Write the proportion equation
254,587.70 : 382,289.55 = 202,430.90 : x - Step 2: Convert to fraction form
254,587.70/382,289.55 = 202,430.90/x - Step 3: Cross multiply
254,587.70x = 382,289.55 × 202,430.90 - Step 4: Simplify right side
254,587.70x = 77,387,217,667.10 - Step 5: Solve for x
x = 77,387,217,667.10/254,587.70 - Step 6: Final answer
x = 303,970.76
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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.