Finding the Fourth Proportional to 671,108.19, 926,129.42 and 369,302.19
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Solution
The fourth proportional to 671,108.19, 926,129.42 and 369,302.19 is: 509,637.08
Step by Step Solution
- Step 1: Write the proportion equation
671,108.19 : 926,129.42 = 369,302.19 : x - Step 2: Convert to fraction form
671,108.19/926,129.42 = 369,302.19/x - Step 3: Cross multiply
671,108.19x = 926,129.42 × 369,302.19 - Step 4: Simplify right side
671,108.19x = 342,021,621,182.92 - Step 5: Solve for x
x = 342,021,621,182.92/671,108.19 - Step 6: Final answer
x = 509,637.08
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Double scale
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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.