Finding the Fourth Proportional to 509,146.24, 702,602.16 and 282,806.08
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Solution
The fourth proportional to 509,146.24, 702,602.16 and 282,806.08 is: 390,261.48
Step by Step Solution
- Step 1: Write the proportion equation
509,146.24 : 702,602.16 = 282,806.08 : x - Step 2: Convert to fraction form
509,146.24/702,602.16 = 282,806.08/x - Step 3: Cross multiply
509,146.24x = 702,602.16 × 282,806.08 - Step 4: Simplify right side
509,146.24x = 198,700,162,669.13 - Step 5: Solve for x
x = 198,700,162,669.13/509,146.24 - Step 6: Final answer
x = 390,261.48
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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.