Finding the Fourth Proportional to 602,153.30, 830,895.18 and 330,149.62
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Solution
The fourth proportional to 602,153.30, 830,895.18 and 330,149.62 is: 455,564.60
Step by Step Solution
- Step 1: Write the proportion equation
602,153.30 : 830,895.18 = 330,149.62 : x - Step 2: Convert to fraction form
602,153.30/830,895.18 = 330,149.62/x - Step 3: Cross multiply
602,153.30x = 830,895.18 × 330,149.62 - Step 4: Simplify right side
602,153.30x = 274,319,725,859.59 - Step 5: Solve for x
x = 274,319,725,859.59/602,153.30 - Step 6: Final answer
x = 455,564.60
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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.