Finding the Fourth Proportional to 553,813.47, 830,720.14 and 133,089.35
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Solution
The fourth proportional to 553,813.47, 830,720.14 and 133,089.35 is: 199,634.00
Step by Step Solution
- Step 1: Write the proportion equation
553,813.47 : 830,720.14 = 133,089.35 : x - Step 2: Convert to fraction form
553,813.47/830,720.14 = 133,089.35/x - Step 3: Cross multiply
553,813.47x = 830,720.14 × 133,089.35 - Step 4: Simplify right side
553,813.47x = 110,559,998,978.19 - Step 5: Solve for x
x = 110,559,998,978.19/553,813.47 - Step 6: Final answer
x = 199,634.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.