Finding the Fourth Proportional to 421,580.12, 581,970.54 and 268,823.63
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Solution
The fourth proportional to 421,580.12, 581,970.54 and 268,823.63 is: 371,097.75
Step by Step Solution
- Step 1: Write the proportion equation
421,580.12 : 581,970.54 = 268,823.63 : x - Step 2: Convert to fraction form
421,580.12/581,970.54 = 268,823.63/x - Step 3: Cross multiply
421,580.12x = 581,970.54 × 268,823.63 - Step 4: Simplify right side
421,580.12x = 156,447,430,206.01 - Step 5: Solve for x
x = 156,447,430,206.01/421,580.12 - Step 6: Final answer
x = 371,097.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.