Finding the Fourth Proportional to 553,802.52, 830,703.68 and 133,078.38
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Solution
The fourth proportional to 553,802.52, 830,703.68 and 133,078.38 is: 199,617.55
Step by Step Solution
- Step 1: Write the proportion equation
553,802.52 : 830,703.68 = 133,078.38 : x - Step 2: Convert to fraction form
553,802.52/830,703.68 = 133,078.38/x - Step 3: Cross multiply
553,802.52x = 830,703.68 × 133,078.38 - Step 4: Simplify right side
553,802.52x = 110,548,699,994.44 - Step 5: Solve for x
x = 110,548,699,994.44/553,802.52 - Step 6: Final answer
x = 199,617.55
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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.