Finding the Fourth Proportional to 553,030.18, 829,544.80 and 153,670.76
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Solution
The fourth proportional to 553,030.18, 829,544.80 and 153,670.76 is: 230,506.01
Step by Step Solution
- Step 1: Write the proportion equation
553,030.18 : 829,544.80 = 153,670.76 : x - Step 2: Convert to fraction form
553,030.18/829,544.80 = 153,670.76/x - Step 3: Cross multiply
553,030.18x = 829,544.80 × 153,670.76 - Step 4: Simplify right side
553,030.18x = 127,476,779,870.05 - Step 5: Solve for x
x = 127,476,779,870.05/553,030.18 - Step 6: Final answer
x = 230,506.01
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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.