Finding the Fourth Proportional to 429,130.84, 643,696.80 and 148,648.06
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Solution
The fourth proportional to 429,130.84, 643,696.80 and 148,648.06 is: 222,972.28
Step by Step Solution
- Step 1: Write the proportion equation
429,130.84 : 643,696.80 = 148,648.06 : x - Step 2: Convert to fraction form
429,130.84/643,696.80 = 148,648.06/x - Step 3: Cross multiply
429,130.84x = 643,696.80 × 148,648.06 - Step 4: Simplify right side
429,130.84x = 95,684,280,548.21 - Step 5: Solve for x
x = 95,684,280,548.21/429,130.84 - Step 6: Final answer
x = 222,972.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.