Finding the Fourth Proportional to 688,125.17, 1,032,187.86 and 214,851.08
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Solution
The fourth proportional to 688,125.17, 1,032,187.86 and 214,851.08 is: 322,276.66
Step by Step Solution
- Step 1: Write the proportion equation
688,125.17 : 1,032,187.86 = 214,851.08 : x - Step 2: Convert to fraction form
688,125.17/1,032,187.86 = 214,851.08/x - Step 3: Cross multiply
688,125.17x = 1,032,187.86 × 214,851.08 - Step 4: Simplify right side
688,125.17x = 221,766,679,064.36 - Step 5: Solve for x
x = 221,766,679,064.36/688,125.17 - Step 6: Final answer
x = 322,276.66
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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.