Finding the Fourth Proportional to 282,810.18, 390,403.86 and 168,125.95
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Solution
The fourth proportional to 282,810.18, 390,403.86 and 168,125.95 is: 232,088.61
Step by Step Solution
- Step 1: Write the proportion equation
282,810.18 : 390,403.86 = 168,125.95 : x - Step 2: Convert to fraction form
282,810.18/390,403.86 = 168,125.95/x - Step 3: Cross multiply
282,810.18x = 390,403.86 × 168,125.95 - Step 4: Simplify right side
282,810.18x = 65,637,021,274.56 - Step 5: Solve for x
x = 65,637,021,274.56/282,810.18 - Step 6: Final answer
x = 232,088.61
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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.