Finding the Fourth Proportional to 495,437.93, 683,681.49 and 280,579.55
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Solution
The fourth proportional to 495,437.93, 683,681.49 and 280,579.55 is: 387,186.84
Step by Step Solution
- Step 1: Write the proportion equation
495,437.93 : 683,681.49 = 280,579.55 : x - Step 2: Convert to fraction form
495,437.93/683,681.49 = 280,579.55/x - Step 3: Cross multiply
495,437.93x = 683,681.49 × 280,579.55 - Step 4: Simplify right side
495,437.93x = 191,827,046,516.73 - Step 5: Solve for x
x = 191,827,046,516.73/495,437.93 - Step 6: Final answer
x = 387,186.84
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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.