Finding the Fourth Proportional to 495,303.48, 683,480.09 and 291,362.09
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Solution
The fourth proportional to 495,303.48, 683,480.09 and 291,362.09 is: 402,056.91
Step by Step Solution
- Step 1: Write the proportion equation
495,303.48 : 683,480.09 = 291,362.09 : x - Step 2: Convert to fraction form
495,303.48/683,480.09 = 291,362.09/x - Step 3: Cross multiply
495,303.48x = 683,480.09 × 291,362.09 - Step 4: Simplify right side
495,303.48x = 199,140,184,806.79 - Step 5: Solve for x
x = 199,140,184,806.79/495,303.48 - Step 6: Final answer
x = 402,056.91
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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.